Weirdo

//ˈwɪəɹdoʊ// adj, noun, slang

adj, noun, slang ·Common ·High school level

Definitions

Noun
  1. 1
    A strange, odd, eccentric person. derogatory, informal
  2. 2
    someone deranged and possibly dangerous wordnet
  3. 3
    An insane, possibly dangerous person. derogatory, informal
  4. 4
    someone unpleasantly strange or eccentric wordnet
Adjective
  1. 1
    Weird. not-comparable

    "What's going on in this weirdo town?"

Example

More examples

"What kind of sick weirdo are you?"

Etymology

From weird + -o (“person with characteristic”). The earliest documented usages date to the early 1950s in the United States. The similar Scottish word "weirdie" (also referring to an odd, unconventional person) is attested from earlier, in 1887.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.