1,400 new words in our dictionary! — Parasocial, glow-up, promposal & more
1,400 new words in our dictionary! — More

mental

adjective

ˈmen-tᵊl How to pronounce mental (audio)
Definition of mentalnext
1
as in internal
of or relating to the mind a funny mental image made him laugh out loud

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms
2
as in psychotic
sometimes offensive unable to think in a clear or sensible way He's gone a bitmental after his mother died.

Synonyms & Similar Words

Antonyms & Near Antonyms

Example Sentences

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.
Recent Examples of mental Hutchinson argued at trial that Dominguez’s mental state had deteriorated in the months before the fatal knife attacks on Breaux and Abou Najm and the near-fatal stabbing of Kimberlee Guillory, the attacks’ lone survivor. — Darrell Smith, Sacbee.com, 16 Sep. 2026 To kill one animal but to love another demands significant mental gymnastics. — Casper Ter Kuile, Vox, 16 Sep. 2026 Danny Donachie is a consultant mental performance coach at Burnley and used to be head of medicine at Everton and Aston Villa. — Greg O'Keeffe, New York Times, 15 Sep. 2026 In a room full of male mental patients Axl would look through a window at an adjacent room full of female mental patients. — Jon Blistein, Rolling Stone, 15 Sep. 2026 See All Example Sentences for mental
Recent Examples of Synonyms for mental
  1. internal
  2. psychotic
  3. inner
  4. insane
  5. psychological
  6. mad
  7. interior
  8. maniacal
Adjective
  • Italy imposed the border controls -- which amounted to random police checks at airports and seaports for passengers arriving from Spain -- by claiming a threat to its internal security.
    — Arkansas Online, Arkansas Online, 16 Sep. 2026
  • But during a massive internal update, performance art is often the first thing that causes suffering.
    — Patrick Murphy, Forbes.com, 15 Sep. 2026
Definition of internal
Adjective
  • After she was sent back to Los Angeles, Leigh suffered a psychotic break.
    — Hadley Hall Meares, Vanity Fair, 21 Sep. 2026
  • Both women’s attorneys have claimed their clients suffered from psychotic episodes.
    — Donna Vickroy, Chicago Tribune, 18 Sep. 2026
Definition of psychotic
Adjective
  • The novel seems poised to address the spiritual effect of competitive private schooling on the Kohs’ inner lives as well as the sociopolitics of education.
    — Sanjena Sathian, Vulture, 22 Sep. 2026
  • What’s more, cracking up triggers chemical changes that prompt the inner lining of blood vessels to dilate and improve blood flow.
    — Don Riddell, CNN Money, 20 Sep. 2026
Definition of inner
Adjective
  • That everyone commits so fearlessly — and with such straight faces — to the Zellners’ berserk world-building is a joy to behold, aided by a terrific jukebox soundtrack and a chaotic, entropic plot that builds and builds to insane levels of carnage.
    — Damon Wise, Deadline, 14 Sep. 2026
  • Sure, this sounds insane, but the real insanity is how much New York mismanages its education system and how little attention the problem receives in Albany.
    — Zilvinas "Z" Silenas, New York Daily News, 14 Sep. 2026
Definition of insane
Adjective
  • Survivors may require decades of monitoring for cardiac, endocrine, neurologic, reproductive, cognitive and psychological effects.
    — Vidya Puthenpura, Hartford Courant, 18 Sep. 2026
  • The particularly timely psychological thriller/horror is inspired by true events of the 1989 Claudia Mijangos case in Querétaro.
    — Katherine Brodsky, Variety, 18 Sep. 2026
Definition of psychological
Adjective
  • When the Farmer destroys the flock’s beloved pumpkin patch, Shaun turns mad scientist to fix the problem, only for events to spiral out of control as a wild beast roams the woods of Mossingham.
    — Jill Goldsmith, Deadline, 20 Sep. 2026
  • The show, which stars Jessica Chastain as an investigator who infiltrates online hate groups to prevent incidents of mad violence.
    — Bethy Squires, Vulture, 20 Sep. 2026
Definition of mad
Adjective
  • The Chargers’ interior offensive line struggled to block Lopez both in the run and pass games.
    — Daniel Popper, New York Times, 16 Sep. 2026
  • His older brother, Adetomiwa, is making plays in the interior line in his fourth season with the Indianapolis Colts.
    — PJ Green September 16, Kansas City Star, 16 Sep. 2026
Definition of interior
Adjective
  • These machines—the maniacal Maverick R, with its praying mantis-like front suspension, and the hard-working Pioneer—have little else in common.
    — Caleb Jacobs, The Drive, 2 Sep. 2026
  • His teammate Christian McCaffrey, who is also known for his maniacal training regimen, has been impressed with Kittle’s recovery.
    — Chris Biderman, Sacbee.com, 23 Aug. 2026
Definition of maniacal

Browse Nearby Words

menswear
mental
mentalist
See all Nearby Words

Cite this Entry

“Mental.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mental. Accessed 23 Sep. 2026.

Copy Citation
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Popular in Grammar & Usage

See More

Do You Need a New Language Peeve?

More Commonly Mispronounced Words

Why do we use apostrophes to show possession?

Merriam-Webster’s Great Big List of Words You Love to Hate

'A' or 'an'? What about before 'h'? An Indefinite Article Guide
See More

Popular in Wordplay

See More

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

Back to School Vocabulary

14 Phobias You Probably Haven't Heard Of

Why do we say 'fly off the handle'?
See More

Popular

See More

Do You Need a New Language Peeve?

The Longest Long Words List

9 Words That Sound Like Insults But Aren't
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
crayons-in-a-circle
Guess the Color Quiz Questions that use the whole box of crayons.
See All