heedful vs heedless

heedful and heedless both are adjectives.

Word	Noun	Adjective	Verb	Adverb
heedful	No	Yes	No	No
heedless	No	Yes	No	No

heedful (adjective)	heedless (adjective)
taking heed; giving close and thoughtful attention	marked by or paying little heed or attention
giving attention	characterized by careless unconcern
cautiously attentive