RARELYnot happening often 不经常发生的;罕见的SYN rareOPP frequent
They would make infrequent visits to the house.
他们偶尔去看一看那所房子。
—infrequency noun [uncountableU]
Examples from the Corpus
infrequent• As time went on, her visits became more and more infrequent.• Cases of typhoid are relatively infrequent in NorthernEurope.• Rain is infrequent in this normally hot, dryregion of the world.• Roger's infrequentletters home did not reveal much about his personal life.