infrequent
adjective
- not occuring often
Wiktionary
adj
Etymology: Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Italic *n̥- Latin in-bor. Middle English in- English in- English frequent English infrequent From in- + frequent.
- Not frequent; not happening frequently.
“Such was the station provided for the infrequent services of 1852, when suburban traffic was unheard of, and Hornsey, Colney Hatch & Southgate, Barnet, and Potters Bar were the only intermediate stations on the 17¾ miles between London and Hatfield.”