Idiom idiom
once a
Meaning
A phrase used to say how often something happens. You complete it with a period of time, like 'once a week' or 'once a month', to mean one time during that period.
Examples
“I go to the gym once a week.”
“My parents live in another city, so I visit them once a month.”
“The committee meets once a year to review the budget and plan for the upcoming season.”
Last updated April 22, 2026