Wordnet 3.0
ADJECTIVE (1)
1. 
 naughtily or annoyingly playful; 
- Example: "teasing and worrying with impish laughter"- Example: "a wicked prank"[syn: arch, impish, implike, mischievous, pixilated, prankish, puckish, wicked]
WordNet (r) 3.0 (2006):
implike
    adj 1: naughtily or annoyingly playful; "teasing and worrying
           with impish laughter"; "a wicked prank" [syn: arch,
           impish, implike, mischievous, pixilated,
           prankish, puckish, wicked]