imprudent vs careless

imprudent and careless both are adjectives.

Word	Noun	Adjective	Verb	Adverb
imprudent	No	Yes	No	No
careless	No	Yes	No	No

imprudent (adjective)	careless (adjective)
not prudent or wise	marked by lack of attention or consideration or forethought or thoroughness; not careful
lacking wise self-restraint	effortless and unstudied
	(usually followed by `of') without due thought or consideration