Frankly vs Honestly vs Openly

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

Frankly

Top 2,000 (common)C1adverb

Honestly

Top 1,000 (very common)

Openly

Top 2,000 (common)B2adverb
Most common: Honestly
 FranklyHonestlyOpenly
Pronunciation🇬🇧 /["/ˈfræŋkli/"]/🇺🇸 /["/ˈfræŋkli/"]/🇬🇧 //ˈɒnɪstli//🇺🇸 //ˈɑnɪstli//🇬🇧 /["/ˈəʊpənli/"]/🇺🇸 /["/ˈəʊpənli/"]/
MeaningHonestly or directly.In a truthful way.In a way that is clear and free to see or know.
ExampleHe spoke frankly about the ordeal.Honestly, I didn't know what to say.Can you talk openly about sex with your parents?
RegisterNeutralNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)Top 2,000 (common)
CEFR levelC1-B2
Part of speechadverbadverb
Collocationsspeak frankly, frankly speaking, respond franklyspeak honestly, honestly admit, honestly sayspeak openly, discuss openly, express feelings openly
Antonymsdeceptively, insincerely, dishonestlydishonestly, insincerelysecretly, covertly, privately
Common mistakesUsed in questions when it should be a statement., Confused with 'frank' as an adjective., Overused in casual settings.Confused with 'honestly speaking'—don't overuse it., Using it in overly formal contexts can sound odd., Sometimes placed incorrectly in a sentence.Confusing with 'open' as an adjective., Using it in a sarcastic tone by mistake., Not realizing it can mean without secrecy.
Usage notesUse 'frankly' when you want to express your honest opinion. It's often used in more serious conversations and might be considered too direct for very formal contexts.Used to emphasize truthfulness, often at the beginning of a sentence. Suitable in both casual and formal contexts.Use 'openly' when describing actions or feelings that are shared clearly with others. It can be less appropriate in formal contexts where discretion is valued.

See it in real clips

Frankly
Honestly

Frequently asked questions: Frankly vs Honestly vs Openly

What's the difference between Frankly, Honestly, and Openly?

Frankly: Honestly or directly. Honestly: In a truthful way. Openly: In a way that is clear and free to see or know.

Which is more common: Frankly, Honestly, and Openly?

Honestly is the most common in everyday English.

Which is more advanced: Frankly, Honestly, and Openly?

Frankly is the highest level, at C1, on the CEFR scale.

Can you show an example of each?

Frankly: He spoke frankly about the ordeal. Honestly: Honestly, I didn't know what to say. Openly: Can you talk openly about sex with your parents?

Can I use Frankly, Honestly, and Openly interchangeably?

Not always. Frankly, Honestly, and Openly 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.

Related comparisons