guileful

[ gahyl-fuh l ]
/ ˈgaɪl fəl /

adjective

insidiously cunning; artfully deceptive; wily.

Origin of guileful

Middle English word dating back to 1300–50; see origin at guile, -ful

Related forms

guile·ful·ly, adverbguile·ful·ness, nounun·guile·ful, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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