22 Japanese ways to say “Honestly”

When you want to be sincere or get straight to the point in Japanese, there are lots of ways to say “honestly.” Whether you’re chatting with friends or writing something heartfelt, these phrases will help you sound natural and genuine.

Some expressions are casual and fun, while others are more polite or formal. Learning all of them can give you the confidence to express honesty beautifully in any situation.

It’s amazing how language can reflect our feelings, and Japanese has so many subtle ways to show honesty. From simple words to casual slang, there’s something here for every learner.

This list will guide you through 22 different ways to say “honestly” in Japanese, with pronunciation tips and examples. You’ll get a warm, friendly look at each phrase, so it’s easy to remember and use.

Knowing these phrases also helps you understand native speakers better, as honesty often colors their expressions in unique ways.

So, get ready for a fun linguistic journey that’s honest, clear, and totally doable!

Getting Started with Honesty in Japanese

Honesty in Japanese isn’t just one word — it’s a feeling you convey with different phrases depending on how formal or casual you want to be.

You’ll find that many expressions share roots or similar meanings, making it easier to connect the dots and remember them.

By practicing these, you’ll soon feel comfortable showing your true thoughts in any conversation.

Sometimes, using a great beginner phrasebook can give you a perfect starting point for a cohesive understanding.

Even just a few minutes a day reviewing these phrases will make a huge difference in your speaking skills.

Start small, and soon you’ll be sharing your honest thoughts smoothly and naturally.

Part 1: Casual Suggestions

1. 正直に言う (Shoujiki ni iu) – “To say honestly”

This phrase is a straightforward way to say “honestly” or “to be honest.”

It breaks down into 正直 (shoujiki) meaning “honest” and に (ni), a particle that turns it into “honestly,” plus 言う (iu), “to say.”

It’s perfect for everyday use when you want to preface a sincere statement.

For example, “正直に言うと…” (Shoujiki ni iu to…) means “To be honest…” and sets the tone for honesty.

A good tip is to use it when you want to sound clear but casual, like when chatting with friends.

Try adding this phrase to your conversations to show you’re being open and truthful.

2. 本当に (Hontou ni) – “Really, truly”

本当に (hontou ni) means “really” or “truly,” and it’s often used like “honestly” in English.

It’s made of 本当 (hontou), meaning “truth,” and に (ni), which turns it into an adverb.

Use it to emphasize honesty or genuine feelings in a sentence.

For instance, “本当にありがとう” (Hontou ni arigatou) means “Thank you so much” with real sincerity.

This phrase is super common and easy to slip into daily speech for added warmth.

Practice by saying it aloud to get comfortable with its rhythm and feel.

3. ぶっちゃけ (Bucchake) – “To be frank / frankly speaking”

ぶっちゃけ (bucchake) is a casual, slangy way to say “honestly” or “to be frank.”

It’s great for informal conversations where you want to be blunt but friendly.

It literally means “to reveal everything” or “to be straightforward.”

For example, “ぶっちゃけ、疲れた” (Bucchake, tsukareta) means “Honestly, I’m tired.”

Because it’s informal, don’t use it in formal settings — save it for friends or peers.

It adds a bit of personality and fun to your honest statements.

4. 実は (Jitsu wa) – “Actually / to tell the truth”

実は (jitsu wa) means “actually” or “to tell the truth.”

It’s a great phrase to introduce a truth that might surprise someone.

Use it when you want to gently reveal honest information or correct something.

For example, “実は、昨日行けなかった” (Jitsu wa, kinou ikenakatta) means “Honestly, I couldn’t go yesterday.”

This phrase is perfect for storytelling or opening up in conversations.

Try it when you want to sound sincere but not too formal.

5. 率直に言うと (Sotchoku ni iu to) – “To speak frankly”

率直に言うと (sotchoku ni iu to) means “to speak frankly” or “to be straightforward.”

率直 (sotchoku) means “frank” or “straightforward,” and 言う (iu) is “to say.”

It’s useful when you want to present your honest opinion clearly.

For example, “率直に言うと、それは良くない” (Sotchoku ni iu to, sore wa yokunai) means “Honestly, that’s not good.”

This phrase is good for serious but honest discussions.

Practice it for moments when you need to be both polite and direct.

6. 素直に (Sunao ni) – “Honestly / straightforwardly”

素直に (sunao ni) means “honestly” or “straightforwardly.”

素直 (sunao) implies being honest and not hiding feelings.

It’s often used to describe honest emotions or reactions.

For example, “素直に嬉しい” (Sunao ni ureshii) means “I’m honestly happy.”

This phrase has a warm and gentle tone, great for sincere moments.

Use it when you want to express openness and authenticity.

7. 心から (Kokoro kara) – “From the heart”

心から (kokoro kara) literally means “from the heart.”

It’s a beautiful way to say you’re being honest with deep sincerity.

Use it when expressing genuine emotions like gratitude or apologies.

For example, “心から感謝します” (Kokoro kara kansha shimasu) means “I thank you honestly (from the heart).”

This phrase is warm and very sincere, perfect for formal or informal use.

Try it to add emotional depth to your honest expressions.

8. ガチで (Gachi de) – “Seriously / honestly (slang)”

ガチで (gachi de) is casual slang meaning “seriously” or “honestly.”

It’s often used among young people to emphasize truthfulness or seriousness.

For example, “ガチで疲れた” (Gachi de tsukareta) means “I’m honestly/seriously tired.”

This phrase adds energy and emphasis but isn’t for formal situations.

It’s great for expressing strong honest feelings in casual speech.

Use it when you want to sound lively and trustworthy with friends.

Part 2: Polite & Formal Suggestions

9. 正直に申し上げます (Shoujiki ni moushiagemasu) – “I will say honestly (very polite)”

This is a very formal and respectful way to say “I will say honestly.”

申し上げます (moushiagemasu) is a humble form of “to say,” often used in business or formal contexts.

Use it when you want to be sincerely honest while showing politeness.

For example, “正直に申し上げますと…” (Shoujiki ni moushiagemasu to…) means “To be honest with you…”

This phrase is perfect for professional meetings or serious discussions.

Practice it for moments when respect and honesty must go hand in hand.

10. 本音で話す (Honne de hanasu) – “To speak one’s true feelings”

本音 (honne) means “true feelings,” and 話す (hanasu) means “to speak.”

本音で話す means to speak honestly and openly from the heart.

It’s used when you want to stress that you are sharing your real thoughts.

For example, “本音で話しましょう” (Honne de hanashimashou) means “Let’s speak honestly.”

This phrase is polite but intimate, great for building trust.

Use it to encourage honest communication in formal or casual settings.

11. 率直な意見を述べる (Sotchoku naiken wo noberu) – “To give a frank opinion”

This phrase means “to give a frank or straightforward opinion.”

率直 (sotchoku) means frank, 意見 (iken) means opinion, and 述べる (noberu) means to state.

It’s useful in formal speech when you want to express honest viewpoints.

For example, “率直な意見を述べさせていただきます” (Sotchoku naiken wo nobesasete itadakimasu) means “Allow me to give my honest opinion.”

This shows respect while being truthful.

Try it in presentations or formal feedback sessions.

12. 本心から (Honshin kara) – “From one’s true heart”

本心 (honshin) means “true heart,” so 本心から means “from the true heart.”

It’s a formal way to express genuine feelings honestly.

For example, “本心から感謝申し上げます” (Honshin kara kansha moushiagemasu) means “I sincerely thank you from my heart.”

This phrase adds a deep level of sincerity, perfect for formal letters or speeches.

Use it to convey heartfelt honesty with elegance.

Keep practicing to sound natural and warm with this expression.

13. 公正に申し上げます (Kousei ni moushiagemasu) – “To say fairly and honestly”

公正に (kousei ni) means “fairly” or “impartially,” and 申し上げます (moushiagemasu) is the humble “to say.”

This phrase is a formal way to express honest and fair opinions.

Use it in serious discussions or official statements.

For example, “公正に申し上げますと…” means “To speak honestly and fairly…”

It’s great for maintaining professionalism while being truthful.

Practice it for formal emails or speeches requiring balance and honesty.

14. 率直に申し上げます (Sotchoku ni moushiagemasu) – “To say frankly (formal)”

This phrase means “to say frankly,” combining 率直 (sotchoku) frankness, with 申し上げます (moushiagemasu).

It’s used in formal situations to preface honesty.

For example, “率直に申し上げますと…” means “To be frank with you…”

Use it to sound respectful yet direct.

It’s handy for negotiations or official talks.

Practice to master the polite tone with honest intent.

15. 誠実に (Seijitsu ni) – “Sincerely, honestly”

誠実に (seijitsu ni) means “sincerely” or “honestly.”

It’s a polite adverb used to express genuine and honest behavior.

For example, “誠実に対応します” (Seijitsu ni taiou shimasu) means “I will respond honestly/sincerely.”

This phrase is formal but can be used in many polite situations.

Use it to convey trustworthiness and honesty.

It’s a great word to add professionalism to your honest expressions.

16. 真摯に (Shinshi ni) – “Earnestly, sincerely”

真摯に (shinshi ni) means “earnestly” or “sincerely.”

It’s a very respectful way to express honest feelings or intentions.

For example, “真摯に反省しています” (Shinshi ni hansei shiteimasu) means “I am sincerely reflecting (honestly).”

Use this phrase for apologies, promises, or serious talks.

It adds weight and depth to your honesty.

Practice it to sound mature and genuine in formal contexts.

Part 3: Very Casual / Native-like Expressions

17. マジで (Maji de) – “Seriously / honestly (casual slang)”

マジで (maji de) is casual slang meaning “seriously” or “honestly.”

It’s commonly used among younger people to emphasize something is true or real.

For example, “マジで好き” (Maji de suki) means “I honestly/seriously like it.”

It’s informal and energetic, great with friends.

Don’t use it in formal settings, but it’s perfect for casual honesty.

Practice it to sound like a native teenager or young adult.

18. ガチで言うと (Gachi de iu to) – “If I’m being honest (slang)”

ガチで言うと (gachi de iu to) means “if I’m being honest” or “to be real.”

It’s slangy and casual, used to preface honest opinions.

For example, “ガチで言うと、それは無理” (Gachi de iu to, sore wa muri) means “Honestly, that’s impossible.”

It’s lively and honest but informal.

Use it with peers or in relaxed conversations.

This phrase helps you sound natural and direct.

19. 正直言って (Shoujiki itte) – “To be honest”

正直言って (shoujiki itte) means “to be honest.”

It’s a phrase that literally means “honestly speaking.”

For example, “正直言って、難しい” (Shoujiki itte, muzukashii) means “Honestly, it’s difficult.”

It’s commonly used in both casual and semi-formal speech.

Use it to sound sincere and straightforward.

It’s an essential phrase in honest communication.

20. ほんとは (Honto wa) – “The truth is” (casual)

ほんとは (honto wa) means “the truth is” or “actually.”

It’s a casual way to reveal honest information.

For example, “ほんとは行きたくなかった” (Honto wa ikitakunakatta) means “Honestly, I didn’t want to go.”

It’s great for informal, intimate talks.

Use it to sound honest and relatable with friends.

Try to pair it with emotional stories for impact.

21. マジで言うと (Maji de iu to) – “If I’m being honest” (very casual)

マジで言うと (maji de iu to) means “if I’m being honest.”

It’s slangy and casual, perfect for friendly chats.

For example, “マジで言うと疲れた” (Maji de iu to tsukareta) means “Honestly, I’m tired.”

Use it when you want to emphasize your honest feelings.

It adds a genuine and relaxed vibe to your speech.

Practice with friends to sound natural and fun.

22. ズバリ言うと (Zubari iu to) – “To say it bluntly”

ズバリ言うと (zubari iu to) means “to say it bluntly” or “to be direct.”

It’s used when you want to give an honest, no-nonsense opinion.

For example, “ズバリ言うと、君が悪い” (Zubari iu to, kimi ga warui) means “Honestly, it’s your fault.”

This is informal and can be strong, so use carefully.

It’s great for clear, honest feedback among close friends.

Use it to practice bold honesty in casual conversations.

Concluding Thought

Exploring these 22 ways to say “honestly” in Japanese is like opening a window into how sincerity and truth are shared in different tones and settings.

From soft and polite to casual and bold, each phrase helps you connect more genuinely with others.

Keep practicing, and soon your honest expressions will feel as natural as your own thoughts. Honesty truly is the best language!