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Definition of guileful
guileful
/ˈɡaɪl.fəl/
guile · ful
Adverb:guilefully
guileful Lexical Profile
CEFR
C2
Grade
12
Tier
2
Usage
Rare
Syllables
2
guileful Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Characterized by cunning, deceit, or treacherous duplicity; crafty.
Example
"The diplomat saw through the guileful flattery and refused to sign the unfavorable treaty."
Synonyms
View all synonyms for guileful Antonyms
View all antonyms for guileful• Rhymes for guileful
Word Origin & Etymology
Formed in Middle English from the noun 'guile' (borrowed from Old French 'guile', meaning trickery or deceit, of Germanic origin akin to 'wile') combined with the suffix '-ful'.
Cite this Entry
Wordmom. (2026). Definition of Guileful. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/guileful