(adj) not appropriate in application; defective, Ant. felicitous, Example:an infelicitous remark; infelicitous phrasing; the infelicitous typesetting was due to illegible copy
(adj) marked by or producing unhappiness; ; - American Guide Series, Syn. unhappy, Example:infelicitous circumstances; unhappy caravans, straggling afoot through swamps and canebrakes
a. Not felicitous; unhappy; unfortunate; not fortunate or appropriate in application; not well said, expressed, or done; as, an infelicitous condition; an infelicitous remark; an infelicitous description; infelicitous words. [ 1913 Webster ]