Thievish

a.	1.	Given to stealing; addicted to theft; as, a thievish boy, a thievish magpie.
	2.	Like a thief; acting by stealth; sly; secret. Time's thievish progress to eternity. - Shak.
	3.	Partaking of the nature of theft; accomplished by stealing; dishonest; as, a thievish practice. Or with a base and biosterous sword enforce A thievish living on the common road. - Shak.

Adj.

1.

thievish - given to thievery Synonyms: thieving

dishonest, dishonorable, thieving