To be honest vs To tell you the truth

When to use each in English, with meaning, register, and examples.

To be honest

InformalTop 2,000 (common)

To tell you the truth

Top 2,000 (common)
Most formal: To tell you the truth
 To be honestTo tell you the truth
Pronunciation🇬🇧 //tə biː ˈɒnɪst//🇺🇸 //tə bi ˈhɑnəst//🇬🇧 //tə tɛl jʊ ðə truːθ//🇺🇸 //tə tɛl jʊ ðə truθ//
MeaningSaying the truth or what you really think.Honestly, I'm being truthful with you.
ExampleTo be honest, I didn’t really enjoy the movie.To tell you the truth, I wasn't very excited about the party.
RegisterInformalNeutral
How commonTop 2,000 (common)Top 2,000 (common)
Collocationsto be honest with you, to be honest, I think, to be honest aboutto tell you the whole truth, to tell you the absolute truth, to tell the truth
Antonyms-to lie, to deceive
Common mistakesUsing it too frequently can sound disingenuous., Confusing it with more formal phrases like 'frankly speaking'.Omitting 'the' ('to tell you truth'), Using in formal contexts too often, Overusing in casual conversations
Usage notesUse 'to be honest' to express your true feelings. It's informal and often used in conversations, but avoid in formal settings.Used when introducing a frank opinion or confession. Best in conversations where honesty is valued; avoid in formal writing.

See it in real clips

To be honest
To tell you the truth

Frequently asked questions: To be honest vs To tell you the truth

What's the difference between To be honest and To tell you the truth?

To be honest: Saying the truth or what you really think. To tell you the truth: Honestly, I'm being truthful with you.

Which is more formal: To be honest and To tell you the truth?

To tell you the truth is the most formal of these.

Can you show an example of each?

To be honest: To be honest, I didn’t really enjoy the movie. To tell you the truth: To tell you the truth, I wasn't very excited about the party.

Can I use To be honest and To tell you the truth interchangeably?

Not always. To be honest and To tell you the truth are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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