Definitions:

1. Describes someone whose actions or thoughts are a bit unconventional or offbeat, but not in a serious or harmful way. ADJECTIVE
   • His daffy outfit, with mismatched socks and a colorful hat, caught everyone's attention at the party.
2. Refers to a person or behavior that is quirky, silly, or slightly absurd in an amusing or charming way. ADJECTIVE
   • She had a daffy sense of humor that always made her friends laugh.
3. Term that implies that the silliness or eccentricity is endearing rather than irritating. ADJECTIVE
   • The kids enjoyed their daffy teacher, who always had creative and unusual ways of explaining things.

Synonyms:

• goofy
• kooky
• wacky
• zany