Main entry: infelicitous
Definition: not appropriate in application; defective
Usage: an infelicitous remark; infelicitous phrasing; the infelicitous typesetting was due to illegible copy
Antonyms: felicitous
Definition: exhibiting an agreeably appropriate manner or style
Antonyms: fortunate
Definition: having unexpected good fortune
Antonyms: graceful
Definition: characterized by beauty of movement, style, form, or execution
Main entry: unhappy, infelicitous
Definition: marked by or producing unhappiness
Usage: infelicitous circumstances; unhappy caravans, straggling afoot through swamps and canebrakes- American Guide Series
Antonyms: fortunate
Definition: having unexpected good fortune