once
once
wʌns
vans
ounce

Definition & Meaning of "once"in English

once
01

for one single time 

once definition and meaning
Grammatical Information
incomparable
adverb of frequency
Examples
I only ate sushi once in Japan. 
1.1

on even one time, if ever 

Examples
You didn't once thank me! 
Examples
I once visited that museum when I was a child. 
03

used to indicate one generation of separation in family trees 

Examples
My once-removed cousin is my dad's first cousin. 
01

used to express that something happens at the same time or right after another thing 

once definition and meaning
Examples
I'll call you once I reach the train station. 
Once
01

a single occurrence 

Grammatical Information
Animacy status
Abstract
Composition
Simple
Countable
Plural form
onces
Examples
I'll allow it just this once. 
01

having been at a previous time but no longer 

Grammatical Information
Composition
Simple
relational
ungradable
Examples
Scholars study the once kingdom of Burgundy. 
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