co-occur

verb

To occur together.

“For all of the taxonomies studied, there was a level of abstraction at which all of these factors co-occurred.”

Meanings

verbco-occur (third-person singular simple present co-occurs, present participle co-occurring, simple past and past participle co-occurred)

present singular third person co-occurs · participle present co-occurring · participle past co-occurred · past co-occurred · alternative cooccur · alternative coöccur

  1. intransitiveTo occur together.

    For all of the taxonomies studied, there was a level of abstraction at which all of these factors co-occurred.

    1 more example

    The lexicon or dictionary in a language is then the set of word forms and idiomatic expressions—common sets of words that co-occur often—each with a meaning (the semantics).

    2025, Edward A. F. Gibson, “Introduction” (chapter 1), in Syntax: A Cognitive Approach, MIT Press, →DOI, →ISBN, page 2

Synonyms & antonyms

verbgo with, fall together

Also see

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*ḱe?
  2. Proto-Indo-European*ḱóm
  3. Proto-Italic*kom
  4. Proto-Italic*kom-
  5. Latincon-
  6. Latinco-
  7. Englishco-
  8. Englishoccur
  9. Englishco-occur

From co- + occur.

Full word history & related roots →
Cite this entry
APA

co-occur. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/co-occur

MLA

“co-occur.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/co-occur. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “co-occur,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/co-occur.

Source: co-occur on Wiktionary, CC BY-SA 4.0.