Not at all vs Not even light

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

Not at all

Top 2,000 (common)

Not even light

InformalBeyond 10,000 (less common)
Most formal: Not at allMost common: Not at all
 Not at allNot even light
Pronunciation🇬🇧 //nɒt æt ɔːl//🇺🇸 //nɑt æt ɔl//🇬🇧 //nɒt 'iːvən laɪt//🇺🇸 //nɑt 'ivən laɪt//
Meaningnot even a little bitNot at all; used to emphasize something is not true or does not happen.
ExampleI didn't like the movie, not at all.I didn't see anything, not even light in the tunnel.
RegisterNeutralInformal
How commonTop 2,000 (common)Beyond 10,000 (less common)
Collocationsnot at all worried, not at all surprising, not at all offendednot even close, not even a bit, not even remotely
Antonymsat all, somewhat, partially-
Common mistakesConfusing with 'not really' which is less absolute., Using it in formal contexts where a less emphatic phrase is better., Omitting it when it's necessary for clarity.Using it with formal language contexts., Confusing the phrase with 'even light', losing the emphasis., Omitting 'not' which changes the meaning.
Usage notesUse 'not at all' to emphasize complete disagreement or absence. It's appropriate in both spoken and written contexts but less common in formal writing.Used in conversational contexts to emphasize the absolute lack of something. It's often used humorously or dramatically. Avoid in formal writing.

See it in real clips

Not at all
Not even light

Frequently asked questions: Not at all vs Not even light

What's the difference between Not at all and Not even light?

Not at all: not even a little bit Not even light: Not at all; used to emphasize something is not true or does not happen.

Which is more formal: Not at all and Not even light?

Not at all is the most formal of these.

Which is more common: Not at all and Not even light?

Not at all is the most common in everyday English.

Can you show an example of each?

Not at all: I didn't like the movie, not at all. Not even light: I didn't see anything, not even light in the tunnel.

Can I use Not at all and Not even light interchangeably?

Not always. Not at all and Not even light 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.