Infrequent

Rain is an infrequent occurrence in this part of the country.

Mr. Sherlock Holmes who was usually very late in the mornings, save upon those not infrequent occasions when he stayed up all night, was seated at the breakfast table.

The weather service says the widespread chill is the result of a relatively infrequent alignment of weather conditions, allowing the Arctic polar vortex to travel unusually far to the south.

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.