Damned if i know vs Not a clue

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

Damned if i know

InformalBeyond 10,000 (less common)

Not a clue

InformalTop 2,000 (common)
Most common: Not a clue
 Damned if i knowNot a clue
Pronunciation🇬🇧 //dæmd ɪf aɪ nəʊ//🇺🇸 //dæmd ɪf aɪ noʊ//🇬🇧 //nɒt ə kluː//🇺🇸 //nɑt ə klu//
MeaningI really don't know.I don't know anything about it.
ExampleWhere did she go? Damned if I know!I have not a clue 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'tnot a clue about, not a clue how, not a clue where
Antonyms-completely sure, certain, fully informed, aware
Common mistakesUsing it in formal contexts like presentations., Confusing with similar phrases like 'God knows'.Confused with 'have a clue' (meaning to know something)., Incorrectly using in formal contexts., Misplacing 'not' (e.g., saying 'have not a clue').
Usage notesThis phrase is used informally to express uncertainty or frustration. Avoid in formal settings.Used in casual conversation to express ignorance about a topic. Not suitable for formal writing.

See it in real clips

Damned if i know
Not a clue

Frequently asked questions: Damned if i know vs Not a clue

What's the difference between Damned if i know and Not a clue?

Damned if i know: I really don't know. Not a clue: I don't know anything about it.

Which is more common: Damned if i know and Not a clue?

Not a clue 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! Not a clue: I have not a clue where my keys are.

Can I use Damned if i know and Not a clue interchangeably?

Not always. Damned if i know and Not a clue 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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