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Often or many times; at short intervals
She frequently visits her grandparents on weekends.
He frequently checks his emails throughout the day.
Often used to describe habitual or regular actions.
Use 'frequently' to describe actions that happen often, but not necessarily every time. For example, 'She frequently travels for work' implies she travels often, but not necessarily every day.
From Middle English 'frequent' (from Old French 'fréquent', from Latin 'frequens'), with the adverbial suffix '-ly'
Can be used in both formal and informal contexts. Often used to describe actions that happen many times or at regular intervals.