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co-responder

American  
[koh-ri-spon-der] / ˌkoʊ rɪˈspɒn dər /

noun

  1. a mental or behavioral health professional who aids law enforcement in responding to calls involving people with mental health or addiction issues, or any member of such a crisis response team (often used attributively): With the co-responder program, we are seeing more situations resolved on scene and fewer arrests of vulnerable individuals.

    The county mental health center trains employees who will serve the community as co-responders.

    With the co-responder program, we are seeing more situations resolved on scene and fewer arrests of vulnerable individuals.


Etymology

Origin of co-responder

First recorded in 2010–15; co- ( def. ) + responder ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Mariela Ruiz-Angel, director of Alternative Response Initiatives at Georgetown Law’s Center for Innovations in Community Safety, said a co-responder model is fantastic — but it’s just the beginning of what a progressive city looks like.

From Los Angeles Times • Dec. 25, 2025

Researchers behind the Stanford study found the co-responder model decreased involuntary psychiatric holds by approximately 17% and reduced the likelihood of future mental health 911 calls among the four pilot cities.

From Los Angeles Times • Dec. 25, 2025

Kim Hendrickson, chair of CROA, said co-responder programs are especially important in rural areas where resources are slim, like Mount Vernon.

From Seattle Times • Sep. 4, 2022

The department has embraced “a co-responder philosophy” in which a mental health clinician, when available, accompanies police officers on calls such as the one involving Lynch.

From Washington Post • Aug. 4, 2022

The co-responder initiative in Prince William “has been quite successful so far,” according to First Sergeant Jonathan Perok.

From Washington Times • May 21, 2021