Answer: sleekit

AnswerCrossword Clue
SLEEKIT"Wee, ..., cow'rin, tim'rous beastie . . . "
SLEEKITCrafty: Scot.
SLEEKITDescribing Burns's mouse
sleekitsleek; smooth
sleekitsly; sneaky
sleekitsleek (smooth and glossy, also SLEEKEN)