English

once

wʌns, wɒn(t)s, wʌn(t)s
Meaning: on one occasion only; a single time
Part of Speech: Adverb Alternative Readings: wɒn(t)s, wʌn(t)s

Listen to pronunciation

Example sentences

I have only met him once.
I have only met him once.
I knock once, then go in quietly.
I knock once, then go in quietly.
The film is a timeless classic that everyone should see at least once.
The film is a timeless classic that everyone should see at least once.
The fish tank needs to be cleaned once a week.
The fish tank needs to be cleaned once a week.
The Earth spins on its axis once every twenty-four hours.
The Earth spins on its axis once every twenty-four hours.

Usage Notes

Refers to something happening one time. Can also mean 「formerly」 when describing a past state.

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