slaphappy vs carefree

slaphappy and carefree both are adjectives.

Word	Noun	Adjective	Verb	Adverb
slaphappy	No	Yes	No	No
carefree	No	Yes	No	No

As adjectives, slaphappy and carefree are synonyms defined as:

Other synonyms of slaphappy include devil-may-care, freewheeling, happy-go-lucky, harum-scarum.

slaphappy (adjective)	carefree (adjective)
dazed from or as if from repeated blows	cheerfully irresponsible
cheerfully irresponsible	free of trouble and worry and care