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
as in fool
a person who lacks good sense or judgment
No, you can't ski off the roof, you lunatic!
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of lunatic
Charles McNultytheater Critic, Los Angeles Times, 30 Jan. 2023
The first personality is the lunatic, chaotic artist, with no limits.
—John Bleasdale, Variety, 8 Dec. 2022
Wesley Stenzel, Entertainment Weekly, 28 Sep. 2025
Whether those people are sickened by grief and rage into a kind of temporary insanity, genuine lunatics, hustlers looking to milk a little more engagement or some combination of the three doesn’t really matter.
—Chris Stirewalt, The Hill, 12 Sep. 2025
See All Example Sentences for lunatic
Adjective
With his shock of spiky hair and adrenaline rushes, Smith turns a corporate villain into a lunatic new-wave frontman.
—Noun
So that episode will make fun [of] billionaire life-extension body-hacking lunatics.
—Recent Examples of Synonyms for lunatic
Adjective
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This place belongs to the Carver, a deranged butcher who hunts anything foolish enough to enter.—
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France had been humiliated in 1871 by Prussia in a foolish war of its own making, and Dreyfus, accused of passing military secrets to the Germans, was a convenient scapegoat in a time of national malaise.—
Noun
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Wahlberg plays a holy fool in Boogie Nights, our naïve but well-endowed guide through the heyday of theatrical pornography and its decline into something cheaper and tawdrier courtesy of the triumph of VHS.—
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Only a talent, or a complete fool, would cover an Adele song for their Blind Audition.—
Adjective
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The real star of this episode, however, was Gretchen Christine Beauté and her stupid Lara Croft outfit.—
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Among the colorful cast of rogues, villains, queens and clergymen, Andre The Giant stands out as the young suitor’s kind-hearted but stupid brute.—
Noun
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The Haunted Trail takes visitors outdoors through a path with dense fog and several haunting installations with zombies, a ghoul bus, a graveyard filled with ghosts, chainsaw maniacs and more.—
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Newsweek contributors David Faris and Mark Davis debate: David Faris: Once again, elementary school children have been gunned down by a maniac wielding an assault weapon.—
Adjective
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Don’t be mad, and don’t try to hold them back with guilt.—
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Karl turned on the headlights and got the windshield wipers going at a mad slap.—
Adjective
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This dance party for toddlers and preschoolers is packed with silly puppets, cheerful songs, and endless smiles!—
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And why that silly jacket in the middle of June?—
Noun
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Of course, designer decanters, like one by DIOR shaped like a goose, sells for $550.—
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Marie realizes Danny was the roadblock, so why give up the goose?—
Adjective
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But the true spectacle, his essence, is watching Hardy barge to an absurd-but-revealing 485 yards after contact and what that’s creating.—
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This remake is most curious for the contrast—Cervantes’ novel is thought to be the first realist piece of literature, where Rushdie’s update is decidedly absurd.—
Cite this Entry
“Lunatic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lunatic. Accessed 1 Oct. 2025.
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