mental health

noun

1
: the condition of being sound mentally and emotionally that is characterized by the absence of mental illness and by adequate adjustment especially as reflected in feeling comfortable about oneself, positive feelings about others, and the ability to meet the demands of daily life
also : the general condition of one's mental and emotional state
2
: health care dealing with the promotion and improvement of mental health and the treatment of mental illness
often used before another noun
mental health professionals
a mental health clinic

Examples of mental health in a Sentence

Recent Examples on the Web
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.
In January, Clancy and her husband filed separate lawsuits against the medical providers who oversaw Lindsay’s mental health treatment in the months leading up to the killings. Chelsea Bailey, CNN Money, 20 July 2026 The charges were later upgraded to murder, and a judge ordered a mental health evaluation. Jordan Rau, NPR, 19 July 2026 Formerly incarcerated people with disabilities, chronic mental health or substance abuse issues and those who are older tend to be at higher risk for post-incarceration homelessness, Western said. Amber Gaudet july 18, Charlotte Observer, 18 July 2026 Jim Parsons, who rose to fame on The Big Bang Theory and is currently appearing on Broadway in Titanique, is opening up about his mental health during the height of his sitcom fame and success. Greg Evans, Deadline, 18 July 2026 See All Example Sentences for mental health

Word History

First Known Use

circa 1650, in the meaning defined at sense 1

Time Traveler
The first known use of mental health was circa 1650

Browse Nearby Words

Cite this Entry

“Mental health.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mental%20health. Accessed 23 Jul. 2026.

Medical Definition

mental health

noun
1
: the condition of being sound mentally and emotionally that is characterized by the absence of mental illness and by adequate adjustment especially as reflected in feeling comfortable about oneself, having positive feelings about others, and being able to meet the demands of daily life
also : the general condition of one's mental and emotional state
Finding the flexibility and balance that is required for good mental health is a challenge we all face. Christy Turlington, Psychology Today
2
: health care dealing with the promotion and improvement of mental health and the treatment of mental illness : mental hygiene
often used before another noun
mental health professionals
a mental health clinic
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