heedless vs heedful

heedless and heedful both are adjectives.

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

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