Antonyms for slaphappy

Antonyms of adj slaphappy

2 senses of slaphappy

Sense 1:

carefree, devil-may-care, freewheeling, happy-go-lucky, harum-scarum, slaphappy

INDIRECT (VIA irresponsible) -> responsible

Sense 2:

punch-drunk, silly, slaphappy

INDIRECT (VIA confused) -> clearheaded, clear-thinking