| caco- | |
| —combining form | |
| bad, unpleasant, or incorrect: cacophony | |
| [from Greek kakos bad] | |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
caco- or cac-
pref.
Bad: cacogeusia.