Wordnet 3.0
ADJECTIVE (1)
1. 
 like a clown; 
- Example: "a buffoonish walk"- Example: "a clownish face"- Example: "a zany sense of humor"[syn: buffoonish, clownish, clownlike, zany]
WordNet (r) 3.0 (2006):
clownlike
    adj 1: like a clown; "a buffoonish walk"; "a clownish face"; "a
           zany sense of humor" [syn: buffoonish, clownish,
           clownlike, zany]