Wacky

Definition:

(n.) A soft, earthy, dark-colored rock or clay derived from the alteration of basalt.

Compare wacky with other words:

wacky vs. weird

wacko vs. wacky

tacky vs. wacky

cockamamie vs. wacky

funny vs. wacky

kooky vs. wacky

wacke vs. wacky

eccentric vs. wacky