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.
Investigators are looking into every aspect of the case, including how Van Rootselaar got the guns despite her struggles with mental health. Amanda Lee Myers, USA Today, 12 Feb. 2026 There was a history of police responses to Rootselaar’s home, including calls related to mental health concerns, McDonald said. Claire Carter, The Washington Examiner, 12 Feb. 2026 Kuhl said last year that jurors should have the chance to consider whether design features implemented by the companies, like endlessly scrolling feeds, have contributed to mental health harms, rather than content alone. Cnn.com Wire Service, Mercury News, 11 Feb. 2026 The data is clear that, over time, exercise improves both mental health and cognitive abilities such as problem-solving, Bigliassi said. Meg Wingerter, Denver Post, 11 Feb. 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 13 Feb. 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
Last Updated: - Updated example sentences
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