Oddball

//ˈɑːdˌbɔl// adj, noun

adj, noun ·Moderate ·High school level

Definitions

Noun
  1. 1
    An eccentric or unusual person.

    "Miss Quinn thought that Oswald spoke Russian well in view of his lack of formal training; she found the evening uninteresting. Donovan, with whom she had a date later, testified that she told him that Oswald was “kind of an oddball.”"

  2. 2
    a person with an unusual or odd personality wordnet
  3. 3
    A deviant stimulus that appears among repetitive stimuli during an experiment, to trigger an event-related potential in the participant.
Adjective
  1. 1
    Exotic, not mainstream. not-comparable

    "An oddball word processor, for example, might never be supported by such helpful tools as spelling checkers, indexing programs, footnote utilities,..."

Example

More examples

"It's simply that I don't really understand what an "oddball" is when said by a Mixi user."

Etymology

Compound of odd + ball. First used in late 1930s, describing an extra ball played as a bonus in pin-ball type games. Well-attested since the 1940s, with the adjective appearing earlier than the noun.

Related phrases

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