Wiktionary
clownlike
a. Resembling a clown or some aspect of clowns.
Usage examples of "clownlike".
Jean-Pierre frowned deeply at her, his too-crimson mouth looking rather clownlike against his white skin.
How many times had she been in just such an artificial situation where she was put on trial with fatuous, clownlike questions like something out of the Salem witch trials?
The Dancing Man-the Negentropic Man, without the clownlike scarlet suit and black filed teeth but unmistakably the same in face, body, and movement.