freewheeling vs slaphappy

freewheeling and slaphappy both are adjectives.

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

As adjectives, freewheeling and slaphappy are synonyms defined as:

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

freewheeling (adjective)	slaphappy (adjective)
cheerfully irresponsible	dazed from or as if from repeated blows
free of restraints or rules	cheerfully irresponsible