Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

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once

 
 
pronunciation:
wuhns
parts of speech:
adverb, conjunction, noun
phrases:
at once
part of speech: adverb
definition 1: at one time in the past; formerly.
She was once a teacher, but that was a long time ago.
definition 2: only one time.
Dad gets his hair cut once a month.
 
part of speech: conjunction
definition: if ever; whenever; when.
Once you've told me, I won't forget.
 
part of speech: noun
definition: a single instance; one time.
When it comes to riding ponies, once is never enough.
phrase: at once