on and off
also off and onC1 If something happens on and off during a period of time, it happens sometimes:
I've had toothache on and off for a couple of months.
Thesaurus: synonyms and related words
Frequency & regularity - general words
- (as) regular as clockwork idiom
- -ly
- clockwork
- erratic
- fitful
- frequency
- frequent
- frequently
- irregular
- many
- many a time idiom
- many's the idiom
- more
- oftentimes
- on-again, off-again
- on-off
- periodic
- periodically
- regular
- religiously
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