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.
The organization was able to use the program to connect 54 participants with mental health or substance abuse services. Jake Ramsey, Oklahoma Watch, 30 Aug. 2026 Meta this week agreed to pay almost $17 billion in a landmark settlement with a coalition of state AGs that had sued the company for misrepresenting the extent of child mental health damage caused by Facebook and Instagram. Jonathan Vanian, CNBC, 30 Aug. 2026 Molly Blander, an 18-year-old incoming Tufts University freshman, pointed to artificial intelligence and social media as technologies that have reshaped life for her generation — including its mental health. ABC News, 30 Aug. 2026 Staff members share educational materials about housing, mental health, and support for low-income individuals. Karla Walsh, Southern Living, 30 Aug. 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

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Cite this Entry

“Mental health.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mental%20health. Accessed 1 Sep. 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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