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Definitions

mental

[men-tl] / ˈmɛn tl /
ADJECTIVE
concerning the mind
Synonyms
STRONGEST
cerebral intellectual psychiatric subjective
STRONG
psychic psychological spiritual
WEAK
clairvoyant ideological imaginative immaterial inner intellective mysterious phrenic psychical rational reasoning subconscious subliminal telepathic thinking thoughtful unreal
Antonyms
STRONGEST
physical
WEAK
body
ADJECTIVE
(Informal) insane
Synonyms
WEAK
bonkers crazy deranged disturbed fruity loco lunatic mad mindless non compos mentis nuts nutsy potty unbalanced unstable
Antonyms
WEAK
balanced sane

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.

Thousands of lawsuits claim social media platforms intentionally addict young users, causing mental health issues.

From The Wall Street Journal • Apr. 9, 2026

The charity said cases of large numbers of animals being kept at one address could be linked to mental health struggles, the cost of living crisis, or breeders operating with poor practices.

From BBC • Apr. 8, 2026

He shook his head as though he were running through a mental inventory.

From Los Angeles Times • Apr. 8, 2026

Meta said: "Teen mental health is profoundly complex and cannot be linked to a single app."

From BBC • Apr. 8, 2026

I bet he’s making a mental note right now to share with Mr. Skerritt.

From "Muffled" by Jennifer Gennari