inept vs infelicitous

inept and infelicitous both are adjectives.

Word	Noun	Adjective	Verb	Adverb
inept	No	Yes	No	No
infelicitous	No	Yes	No	No

inept (adjective)	infelicitous (adjective)
generally incompetent and ineffectual	not appropriate in application; defective
not elegant or graceful in expression	marked by or producing unhappiness
revealing lack of perceptiveness or judgment or finesse