loon

noun

ˈlün How to pronounce loon (audio)
Definition of loonnext
1
as in eccentric
a person of odd or whimsical habits What kind of loon laughs at his own jokes when no one else is laughing?

Synonyms & Similar Words

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Antonyms & Near Antonyms
2
as in idiot
a stupid person The loons at the grocery store had put the potato chips at the bottom of the bag.

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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 loon The space is pristine and remote, surrounded by woods and loons and big muscular-looking boulders for perching on and thinking deep thoughts. — Kathryn Vanarendonk, Vulture, 19 Aug. 2026 This is sending shivers down the spines of regular Democrats, who now sheepishly admit the party has been turned over to the left-wing loons. — Voice Of The People, New York Daily News, 27 June 2026 Keep an Eye Out For Wildlife More than 240 species of birds (including an abundance of loons), 14 species of reptiles and amphibians, 54 species of fish, and more than 50 species of mammals call Voyageurs home—at least for part of the year. — Robert Annis, Midwest Living, 18 June 2026 Tony nominee Marla Mindelle, who plays Céline, is an estimable loon — a loon with enviable comedic chops and glorious vocals. — Scott Hocker, TheWeek, 15 May 2026 See All Example Sentences for loon
Recent Examples of Synonyms for loon
  1. eccentric
  2. moron
  3. character
  4. stupid
  5. kook
  6. wacko
  7. nutter
  8. nutcase
Noun
  • The immature eccentric initially has no plans to head back to the States, until Christy convinces him to stand tall and fight.
    — Derek Lawrence, Entertainment Weekly, 30 Oct. 2026
  • Step inside, though, and you’re transported to a bucolic Britain of rolling hills and village greens, bumbling eccentrics and cute, clever farm animals.
    — Scott Roxborough, HollywoodReporter, 22 Oct. 2026
Definition of eccentric
Noun
  • The fact that there is someone out there who could actually get all the real unsuspecting morons who participated in this movie to sign off on it afterwards is simply astonishing considering what they are asked to do in it.
    — Pete Hammond, Deadline, 22 Oct. 2026
  • The unlikely source is Enervate’s company stooge corporate strategist, Ken Davies (Tim Key), a moron by any measure.
    — Ben Travers, IndieWire, 9 Sep. 2026
Definition of moron
Noun
  • The annual award recognizes the top high school football player in Miami-Dade, Broward and Monroe counties, honoring not only athletic excellence but also leadership, character, academics and sportsmanship.
    — CBS News, CBS News, 11 Nov. 2026
  • Another urged commissioners to preserve the area’s character while allowing for development.
    — Eric Weiss, Sun Sentinel, 11 Nov. 2026
Definition of character
Noun
  • My dad has always said the lottery is a tax on the stupid.
    — Alex Crippen, CNBC, 4 Apr. 2026
  • Problem is, even people who know baseball don’t know baseball, which makes betting on baseball stupid.
    — Nick Canepa, San Diego Union-Tribune, 7 Mar. 2026
Definition of stupid
Noun
  • Halaena can tell that something’s up with mummy, but that kook’s never been too concerned with matters of court.
    — Amanda Whiting, Vulture, 22 June 2026
  • After Kent’s resignation, Republican hawks denounced him as a kook and a traitor to the cause, without touching on the delicate question of why Trump appointed such a disreputable figure in the first place.
    — Jonathan Chait, The Atlantic, 25 Mar. 2026
Definition of kook
Noun
  • People who see ghosts tend to see the same ghost wafting down the same staircase, but none of the characters populating Leo’s wacko hallucinations have returned for a repeat perfor-mance.
    — Literary Hub, Literary Hub, 10 Apr. 2026
  • This wacko crew was one of the greatest things in the history of television.
    — Jordan Hoffman, EW.com, 14 Aug. 2025
Definition of wacko
Noun
  • Whit’s Frozen Custard is known for its flavor of the day calendar, with rich custards running the decadent range from fluffer nutter cookie, carrot cake, and mint cookies ‘n cream to Biscoff cookie butter and banana nut bread.
    — Terry Ward, Travel + Leisure, 9 May 2026
  • Lloyd Hansen is his exit strategy, and this nutter will stop at nothing to snuff Six and steal the drive.
    — Peter Debruge, Variety, 14 July 2022
Definition of nutter
Noun
  • Video testimony provided other repudiations of Eastman’s nutcase legal theory.
    — Walter Shapiro, The New Republic, 17 June 2022
  • Ma Seok-do (Ma) is still with the Geumcheon Police Major Crimes Unit, arriving to help his fellow officers deal with a knife-wielding nutcase who’s taken hostages at a corner store.
    — Dennis Harvey, Variety, 3 June 2022
Definition of nutcase

Browse Nearby Words

looms
loon
loonies
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Cite this Entry

“Loon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/loon. Accessed 13 Nov. 2026.

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More from Merriam-Webster on loon

Britannica.com: Encyclopedia article about loon

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