PESKILY
Scrabble letter values: P3E1S1K5I1L1Y4 = 16
Definition
PESKILY is the adverb form of PESKY.
adjective PESKY: causing irritation or annoyance.
Synonyms of PESKY: annoying, bothersome, galling, irritating, nettlesome, pestering, pestiferous, plaguy