Damned if i know vs No idea

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

Damned if i know

InformalBeyond 10,000 (less common)

No idea

InformalTop 2,000 (common)
Most common: No idea
 Damned if i knowNo idea
Pronunciation🇬🇧 //dæmd ɪf aɪ nəʊ//🇺🇸 //dæmd ɪf aɪ noʊ//🇬🇧 //nəʊ aɪˈdɪə//🇺🇸 //noʊ aɪˈdiə//
MeaningI really don't know.I don't know or understand
ExampleWhere did she go? Damned if I know!I have no idea where my keys are.
RegisterInformalInformal
How commonBeyond 10,000 (less common)Top 2,000 (common)
Collocationsdamned if I know, damned if I do, damned if I don'thave no idea, give no idea, no idea what's going on
Antonyms-have a clue, know, be certain, understand
Common mistakesUsing it in formal contexts like presentations., Confusing with similar phrases like 'God knows'.Using it in a formal context where a more serious phrase is needed., Confusing it with 'no clue', which has a similar meaning.
Usage notesThis phrase is used informally to express uncertainty or frustration. Avoid in formal settings.Use in casual conversations when you have no knowledge of something. Avoid in formal situations.

See it in real clips

Damned if i know
No idea

Frequently asked questions: Damned if i know vs No idea

What's the difference between Damned if i know and No idea?

Damned if i know: I really don't know. No idea: I don't know or understand

Which is more common: Damned if i know and No idea?

No idea is the most common in everyday English.

Can you show an example of each?

Damned if i know: Where did she go? Damned if I know! No idea: I have no idea where my keys are.

Can I use Damned if i know and No idea interchangeably?

Not always. Damned if i know and No idea 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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