Mental
adj, noun, slang ·Common ·Middle school level
Definitions
- 1 State of mind; ellipsis of mental state. slang
"y'all need to fix your mentals"
- 2 A plate or scale covering the mentum or chin of a fish or reptile.
- 3 A mentally challenged person. India, offensive
- 1 Of or relating to the mind or specifically the total emotional and intellectual response of an individual to external reality.; Occurring or experienced in the mind. relational
"I don't mean all of your friends—only a small proportion—which, however, connects your circle with that deadly, idle, brainless bunch—the insolent chatterers at the opera,[…], the neurotic victims of mental cirrhosis, the jewelled animals whose moral code is the code of the barnyard—!"
- 2 Of or relating to the chin or median part of the lower jaw, genial. not-comparable, relational
"the mental nerve, the mental region"
- 3 Of or relating to the mind or specifically the total emotional and intellectual response of an individual to external reality.; Relating to the mind, its activity, or its products as an object of study. relational
"mental science"
- 4 Of or relating to the chinlike or liplike structure. not-comparable, relational
- 5 Of or relating to the mind or specifically the total emotional and intellectual response of an individual to external reality.; Of or relating to intellectual as contrasted with emotional activity. relational
"mental acuity"
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- 6 Of or relating to the mind or specifically the total emotional and intellectual response of an individual to external reality.; Of, relating to, or being intellectual as contrasted with overt physical activity. relational
"Irregular bedtimes may disrupt healthy brain development in young children, according to a study of intelligence and sleeping habits. ¶ Going to bed at a different time each night affected girls more than boys, but both fared worse on mental tasks than children who had a set bedtime, researchers found."
- 7 Of or relating to the mind or specifically the total emotional and intellectual response of an individual to external reality.; Relating to spirit or idea as opposed to matter. relational
"the distinction between physical things and mental ideas"
- 8 Of, relating to, or affected by a psychiatric disorder.
"a mental patient"
- 9 Of, relating to, or affected by a psychiatric disorder.; Intended for the care or treatment of persons affected by psychiatric disorders. relational
"mental hospitals"
- 10 Of, relating to, or affected by a psychiatric disorder.; Mentally disordered; insane, mad, crazy. Australia, Canada, Ireland, New-Zealand, UK, colloquial, comparable, dated
"He is the most mental freshman I've seen yet."
- 11 Enjoyable or fun, especially in a frenetic way. Australia, Ireland, New-Zealand, UK, colloquial, comparable
"That was a mental party last night."
- 12 Of or relating to telepathic or mind-reading powers.
"mental telepathy"
- 1 affected by a disorder of the mind wordnet
- 2 involving the mind or an intellectual process wordnet
- 3 of or relating to the chin or median part of the lower jaw wordnet
- 4 of or relating to the chin- or liplike structure in insects and certain mollusks wordnet
- 5 of or relating to the mind wordnet
Antonyms
All antonymsExample
More examples"A high forehead is indicative of great mental power."
Etymology
Borrowing from Middle French mental, from Late Latin mentālis, from mēns (“mind, disposition; heart, soul”) + -ālis (“-al”, adjectival suffix).
c. 1727, from Latin mentum (“the chin”) + -al.
Related phrases
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.