Infrequent
Pronunciation : In*fre"quent
Part of Speech : a.
Etymology : [L. infrquens : cf.F. infrequent. See In- not, and Frequent.]
Definition : Defn: Seldom happening or occurring; rare; uncommon; unusual. The act whereof is at this day infrequent or out of use among all sorts of men. Sir T. Elyot.
Source : Webster's Unabridged Dictionary, 1913