Answer: screwy

AnswerCrossword Clue
SCREWY

Behaving bizarrely

SCREWY

Disconcertingly peculiar

SCREWY

Nuts

SCREWY
Absurdly impractical
SCREWY
Ridiculous
SCREWYOff one's rocker
SCREWYOff the wall
SCREWYCuckoo
SCREWYEccentric
SCREWYPixilated.
SCREWYDotty
SCREWYBats
SCREWYNutso
SCREWYCuckoo in the head
SCREWYHaywire
SCREWYRather eccentric