English

Adjective

unfrequent ‎(comparative more unfrequent, superlative most unfrequent)

1. Not frequent; not common; not happening often; infrequent.
   • 1827, George Tucker, A Voyage to the Moon:

     He was labouring under a pleurisy, which is not unfrequent in the mountainous region, at this season.

   • 1916, Fedor Jagor; Tomas de Comyn; Chas. Wilkes; Rudolf Virchow., The Former Philippines thru Foreign Eyes:

     It was no unfrequent event, however, for vessels to be lost.

Related terms

• unfrequency

Etymology 2

From un- +‎ frequent.

Verb

unfrequent ‎(third-person singular simple present unfrequents, present participle unfrequenting, simple past and past participle unfrequented)

1. (transitive) To stop frequenting; cease to frequent.