(1):
(v. i.) To evade an obligation; to avoid the performance of duty, as by running away.
(2):
(n.) One who lives by shifts and tricks; one who avoids the performance of duty or labor.
(3):
(v. i.) To live by shifts and fraud; to shark.
(4):
(v. t.) To procure by petty fraud and trickery; to obtain by mean solicitation.
(5):
(v. t.) To avoid; to escape; to neglect; - implying unfaithfulness or fraud; as, to shirk duty.