Answer:

nutso

Answer	Crossword Clue
NUTSO	Bonkers
NUTSO	Wacky
NUTSO	Bats

NUTSO	Off one's rocker
NUTSO	Beyond batty
NUTSO	Loony
NUTSO	Kook
NUTSO	Plumb crazy
NUTSO	Crazy as a loon
NUTSO	Cuckoo
NUTSO	Eccentric

NUTSO	Crazy
NUTSO	"Crackers"
NUTSO	Batty
NUTSO	Cracked
NUTSO	Bananas
NUTSO	Unhinged
NUTSO	Crackers
NUTSO	Cockamamie

NUTSO	Daft
NUTSO	Wack

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.