Definition, Meaning & Synonyms
wacko
noun/adjective
/ˈwæk.oʊ/

Definition
A person who is considered crazy or eccentric.

Examples
- He’s a real wacko for thinking that aliens are living among us.
- Her wacko sense of humor always makes everyone laugh.

Meaning
The term ‘wacko’ is used informally to describe someone who behaves in a way that is perceived as strange or irrational.

Synonyms
- crazy
- eccentric
- nuts
- loon
- weirdo