Thoughtless (13)
'thoughtless' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for improvident that I've seen before include "Lacking foresight - spendthrift" , "Careless" , "Not thrifty" , "unprepared for what's to come?" , "without forethought" .)
'thoughtless' is the definition.
(associated in meaning)
This is the entire clue.
(Other definitions for inconsiderate that I've seen before include "Uncaring" , "rude" , "Heedless" , "Thoughtlessly hurtful" , "Without regard for the feelings of others" .)