Synonyms and Antonyms for once

1. once (adv.)

on one occasion

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2. once (adv.)

as soon as

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3. once (adv.)

at a previous time;

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4. compact disc write-once (n.)

a compact disc on which you can write only once and thereafter is read-only memory

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5. once-over (n.)

a swift cursory examination or inspection

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