whacko (adjective) daft: stupid; crazy
Sinonime: absurd,
asinine, bedlamite,
bonkers, cracked, crackers, daffy,
demented,
deranged, dopey,
flaky*,
foolish, fried,
giddy, half-baked,
idiotic, in the ozone,
inane,
insane,
lunatic,
mad,
mental*, nuts, nutty, off the wall, out of one's gourd,
ridiculous, screwy,
silly,
simple,
touched,
unbalanced, unhinged, unsound,
wacky, whacko, witless
Antonime: brainy,
bright,
intelligent,
smart,
understanding