Definition of co-occurnext
as in to accompany
to occur or exist at the same time the chronic depression that so often co-occurs with drug abuse

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of co-occur In the morning session, other members brought up proposals aimed at decreasing the risk of autistic people wandering out of safe areas and risking injury and increasing recognition about the role that co-occurring illnesses play with autistic people. O. Rose Broderick, STAT, 28 Apr. 2026 In the world of language, there are certain trends in terms of words that frequently co-occur in phrases or sentences together, some-thing called collocation. Literary Hub, 21 Apr. 2026 Diseases that tend to co-occur often present themselves consecutively. Benjamin P. Brown, The Conversation, 7 Apr. 2026 Though it should be noted that these programs do not directly address co-occurring mental health issues and could unintentionally reinforce unhelpful behaviors. Gwilym Roddick, The Orlando Sentinel, 8 Mar. 2026 It’s not known if Victoria Jones also had a co-occurring mental illness but the past year had become increasingly turbulent for her. Martha Ross, Mercury News, 8 Jan. 2026 That’s when a team of evolutionary biologists noticed that many of the physical traits that co-occur with domestication trace back to an important group of cells during embryonic development called neural crest cells. Marina Wang, Scientific American, 14 Nov. 2025 That help is critical since the disorder is associated with co-occurring mental health issues, a lower quality of life and life expectancy, and higher rates of disability, according to the National Institute of Mental Health. Kristen Rogers, CNN Money, 2 Sep. 2025 Another key point is that overdose is disproportionately impacting vulnerable groups including women, people of color, rural populations and individuals with co-occurring mental illness. Lipi Roy, Forbes.com, 28 Aug. 2025
Recent Examples of Synonyms for co-occur
Verb
  • The Munizes included the same statement in a new post that instead was accompanied by a photo of the family of three.
    Brendan Morrow, USA Today, 2 July 2026
  • The oversized Route 66 sign accompanying the treat is perfect for a selfie background, and the statue is located next to the Rich & Creamy Ice Cream Shop.
    Chiara Kim, PEOPLE, 2 July 2026
Verb
  • The debate has become more urgent in recent years as heat waves have intensified, coinciding with a surge in AC sales across Europe and a growing push to more widely adopt the technology.
    Christopher Cann, USA Today, 2 July 2026
  • The start of a new fiscal year in July often coincides with a pay bump for California’s state employees because that’s when raises, negotiated by unions, tend to take effect.
    William Melhado, Sacbee.com, 1 July 2026
Verb
  • The result is one of the most diverse wine regions in the world—one where sparkling wines, crisp coastal whites, elegant reds and historic sweet wines can all coexist within the same broader region.
    Emily Cappiello, Forbes.com, 27 June 2026
  • Finally, because Helms-Burton gave presidents power to block these suits, the majority concluded that this mechanism substitutes for the Foreign Sovereign Immunities Act rather than coexisting with it.
    Manuel A. Gómez, The Conversation, 25 June 2026

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“Co-occur.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/co-occur. Accessed 2 Jul. 2026.

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