thievish
Definitions
Given to or characteristic of theft; prone to stealing.
Resembling or suggestive of a thief; stealthy or sly.
Examples
The stray cat had a thievish look in its eyes as it eyed the fish on the counter.
His thievish habits eventually led to his dismissal from the company.
Synonyms
pilfering light-fingered dishonest stealthy larcenous predatory furtive
Antonyms
honest upright scrupulous trustworthy principled honorable straightforward