He was labouring under a pleurisy, which is not unfrequent in the mountainous region, at this season.
Source: wiktionary
Unfrequent
Synonyms for "unfrequent" (13 found)
Ranked by relevance and common usage.
Sample sentences
2 total sentences available.
It was no unfrequent event, however, for vessels to be lost.
Source: wiktionary