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 Researchers identified patterns of ridicule, emotional withdrawal and isolation, often co-occurring and reinforcing each other. Mark Travers, Forbes.com, 24 May 2025 Excessive alcohol use is linked to cognitive decline and neurodegenerative diseases such as Alzheimer’s, and mental health conditions such as anxiety and depression often co-occur with high levels of drinking. Cassie Shortsleeve, SELF, 3 Jan. 2025 Many individuals with autism also experience co-occurring health issues such as attention-deficit/hyperactivity disorder, seizures, or chronic gastrointestinal problems. Bloomberg, The Mercury News, 27 Dec. 2024 And thanks to atmospheric conditions, these two factors are most likely to co-occur during the late fall and early winter. Erica Sloan, SELF, 21 Oct. 2024 Sometimes, these factors can co-occur with stress, leading to hair loss. Michael MacIntyre, Verywell Health, 31 Jan. 2025 Excessive alcohol use is linked to cognitive decline and neurodegenerative diseases such as Alzheimer’s, and mental health conditions such as anxiety and depression often co-occur with high levels of drinking. Cassie Shortsleeve, SELF, 3 Jan. 2025 Many individuals with autism also experience co-occurring health issues such as attention-deficit/hyperactivity disorder, seizures, or chronic gastrointestinal problems. Bloomberg, The Mercury News, 27 Dec. 2024 Anxiety Anxiety disorders, such as obsessive-compulsive disorder (OCD), can co-occur with polyphagia due to the emotional and psychological impact on eating behaviors. Sarah Jividen, Health, 5 Dec. 2024
Recent Examples of Synonyms for co-occur
Verb
  • Wednesday is predicted to put an end to the week’s streak of showers and thunderstorms with mostly sunny conditions expected throughout the day accompanied by a high of 88.
    Baltimore Sun staff, Baltimore Sun, 29 June 2025
  • Costly Fourth of July barbecues in California Fireworks aren’t the only thing accompanying Californians’ Fourth of July celebrations this year — higher grocery prices will as well.
    Sonja Sharp, Los Angeles Times, 28 June 2025
Verb
  • The release coincides with a new graphic novel, The Blues Brothers: The Escape of Joliet Jake, written by Aykroyd’s daughter Stella, Luke Pisano (son of Belushi’s widow, Judy Belushi Pisano), and filmmaker and writer James Werner.
    Kory Grow, Rolling Stone, 20 June 2025
  • The heat wave coincides with the longest days of the year, with Friday marking the summer solstice.
    Mandy Taheri, MSNBC Newsweek, 20 June 2025
Verb
  • According to the researchers, Denisovans coexisted with modern-day humans and are closely related to Neanderthals.
    Nick Butler, FOXNews.com, 21 June 2025
  • Our species once coexisted for tens of thousands of years and interbred with both Denisovans and Neanderthals before the two went extinct.
    Katie Hunt, CNN Money, 18 June 2025

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Cite this Entry

“Co-occur.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/co-occur. Accessed 4 Jul. 2025.

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