[ gahyl-fuhl ]
See synonyms for: guilefulguilefully on

  1. insidiously cunning; artfully deceptive; wily.

Origin of guileful

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

Other words from guileful

  • guile·ful·ly, adverb
  • guile·ful·ness, noun
  • un·guile·ful, adjective

Words Nearby guileful Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use guileful in a sentence