skillful in underhand or evil schemes; cunning; deceitful; sly.

Obsolete . skillful; ingenious; dexterous.

adjective

honest , naive , unclever , artless , guileless , undesigning

adjective

adroit , artful , astute , cagey , calculating , canny , crazy like fox , cunning , deceitful , deep , designing , devious , disingenuous , duplicitous , foxy * , fraudulent , guileful , insidious , intelligent , keen , knowing , sharp , shrewd , slick , slippery * , sly , smart , smooth , street smart * , streetwise , subtle , tricky , vulpine , wily , foxy , scheming , acute , adept , arch , clever , conniving , foxlike , ingenious , insincere , insinuating , machiavelian , machiavellian , politic , snide , sophisticated