Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.
Class I. Words Expressing Abstract RelationsSection VI. Time
3. Recurrent Time
137. Infrequency.
NOUN:INFREQUENCY, infrequence, unfrequency [rare], rareness, rarity; sparseness, fewness [See Fewness]; seldomness; uncommonness.VERB:BE RARE &c. adj.
ADJECTIVE:INFREQUENT, unfrequent [rare], seldseen [archaic], uncommon, sporadic; rare, rare as a blue diamond; few [See Fewness]; scarce; almost unheard of, scarce as hen’s teeth [colloq.], unprecedented, which has not occurred within the memory of the oldest inhabitant, not within one’s previous experience.
ADVERB:SELDOM, rarely, scarcely, hardly; not often, unfrequently, infrequently, uncommonly, sparsely, unoften; scarcely ever, hardly ever; once in a blue moon [colloq.].
once; once for all, once in a way; pro hac vice [L.].
QUOTATIONS: