Upper-Intermediate (B2)
IPA: /ˈɡaɪl.fəl/
KK: /ˈɡaɪlfəl/
Definition
Having the ability to deceive or trick others in a clever way.
Example
The guileful fox outsmarted the hunters.
Conversation

Did you hear about that new guy in our class?

Yeah, I heard he's quite guileful when it comes to his tricks.

It seems like he always has a plan up his sleeve.

Exactly! We should be careful not to fall for his schemes.
Synonyms & Antonyms
Root Explanation
Guileful is formed from "guile" (from Old French *guile*, meaning deceit or trickery) and "-ful" (meaning full of). The word "guileful" means full of deceit or trickery.
Memory Tip
Think of 'guile' as deceit and remember that 'guileful' means full of deceit.
Visually Confused Words
unguileful
beguileful
wileful
unguilefully
unbeguileful
idleful
gleeful