Grotesque

Part of speech: noun (n.)

1. A whimsical figure, or scene, such as is found in old crypts and grottoes. Dryden.

2. Artificial grotto-work.

Part of speech: adjective (a.)

Like the figures found in ancient grottoes; grottolike; wildly or strangely formed; whimsical; extravagant; of irregular forms and proportions; fantastic; ludicrous; antic. "Grotesque design." Dryden. "Grotesque incidents." Macaulay.