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lunatic 1 of 2

adjective

Definition of lunaticnext
informal
as in foolish
showing or marked by a lack of good sense or judgment such lunatic clowning during a solemn ceremony is completely inappropriate

Synonyms & Similar Words

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Antonyms & Near Antonyms

lunatic

2 of 2

noun

informal
as in fool
a person who lacks good sense or judgment No, you can't ski off the roof, you lunatic!

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 lunatic
Adjective
Police found Mazariegos, who fit the description of the lunatic hiding in the bushes, nearby, according to the probable cause affidavit. — Sean Joseph Outkick, FOXNews.com, 13 May 2026 Richard Attenborough once mischievously locked his brother inside a padded cell in a building on campus that was once a Victorian lunatic asylum, according to the university. — Amarachi Orie, CNN Money, 8 May 2026
Noun
The lunatics are running the asylum. — Eugenie Brinkema, ARTnews.com, 14 June 2026 Tony Hale, Alia Shawkat, Michael Cera, Will Arnett and other lunatics round out the cast. — Jordan Hoffman, Entertainment Weekly, 8 June 2026 See All Example Sentences for lunatic
Recent Examples of Synonyms for lunatic
  1. insane
  2. fool
  3. stupid
  4. maniac
  5. foolish
  6. goose
  7. mad
  8. moron
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
Noun
  • Set the scene Upon entering, don't let the grandiose, atrium-esque, white-marbled lobby fool you into thinking there's an ounce of formality or stuffiness here.
    — Condé Nast, Condé Nast Traveler, 5 Sep. 2026
  • Anhor The Great had so many pass breakups that counting would’ve been a fool’s errand.
    — Caleb Otte, Los Angeles Times, 5 Sep. 2026
Definition of fool
Adjective
  • The humor is like laughing about something that was just so stupid, or something that was so traumatic.
    — Los Angeles Times, Los Angeles Times, 15 Sep. 2026
  • That’s the problem with all of your arguments and stupid comments.
    — Marissa R. Moss, Rolling Stone, 15 Sep. 2026
Definition of stupid
Noun
  • Unbeknownst to the visitors, there’s an unhappy fifth party already in the house… and more than one homicidal maniac even within that small populace.
    — Dennis Harvey, Variety, 28 July 2026
  • The odd thing about this choice is that, although the DSA’s platform is indeed chock-full of maniacal proposals, on this particular idea, the maniacs have a point.
    — Jonathan Chait, The Atlantic, 22 July 2026
Definition of maniac
Adjective
  • Cousins made two foolish mistakes, on the interceptions by Trader and Taaffe.
    — Barry Jackson, Miami Herald, 14 Sep. 2026
  • That game is too important, and holding someone back for a hypothetical Game 3 might be foolish regardless.
    — Matt Gelb, New York Times, 8 Sep. 2026
Definition of foolish
Noun
  • For example, if your home favors farmhouse design, fill the sections with antique thimbles, spools, or clothespins, small farm animal figurines (like a goose, rooster, or cow), or a collection of vintage salt and pepper shakers.
    — Mary Cornetta, Better Homes & Gardens, 11 Sep. 2026
  • Karyann Parkinson's son, Samuel, likes to collect goose feathers.
    — Mark Strassmann, CBS News, 8 Sep. 2026
Definition of goose
Adjective
  • Largely through the medium of Facebook, Kanarek had driven Barisone mad.
    — Ian Parker, New Yorker, 14 Sep. 2026
  • Behind his graying beard, his expression crackled between a scowl and a mad grin.
    — Jourdan Rodrigue, New York Times, 11 Sep. 2026
Definition of mad
Noun
  • God help us all if some idiot, some moron, ever put you in charge.
    — Greg Evans, Deadline, 18 July 2026
  • Mantzoukas was willing to look like a maniac and a moron in equal measure.
    — Roxana Hadadi, Vulture, 17 June 2026
Definition of moron

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Cite this Entry

“Lunatic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lunatic. Accessed 18 Sep. 2026.

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