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.
But with a growing awareness of the mental health risks posed by children spending too much time online, Starmer has decided to go further after speaking to parents and considering evidence from Australia, which brought in a ban for under-16s last year. Reuters, CNN Money, 15 June 2026 Therapy Is a Rule, Not an Exception Millennials played a huge role in finally destigmatizing mental health matters. Sarah Scott, Parents, 14 June 2026 Research suggests that career achievement and mental health are deeply connected. Bryan Robinson, Forbes.com, 14 June 2026 Research at several universities in New York indicates that just having a conversation that promotes mental health on campus normalizes the idea that students will go out to seek help for themselves. Anyssa McCalla, Hartford Courant, 14 June 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 16 Jun. 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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