careless vs imprudent

careless and imprudent both are adjectives.

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

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