Noah Webster
Thievish
THIE'VISH, adjective Given to stealing; addicted to the practice of theft; as a thievish boy.
Or with a base and boist'rous sword enforce
A thievish living on the common road.
1. Secret; sly; acting by stealth; as thievish minutes.
2. Partaking of the nature of theft; as a thievish practice.