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
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Recent Examples of loon
Together, Jamie and Isla bring the baby to Kelson, who turns out to be welcoming and accommodating, despite his reputation as a loon.
—
Randall Colburn, EW.com, 23 June 2025
Sifting bones and teeth from the sediment of Alaska’s Prince Creek Formation, the authors identified an assortment of Cretaceous fossils and fossil fragments, which resembled the remains of modern gulls, geese, ducks, and loons.
—Sam Walters, Discover Magazine, 29 May 2025
None other than Laura Loomer, a conspiracy loon who believes Bush did 9/11 and, for whatever reason, has particular sway in the West Wing.
—Carlo Versano, MSNBC Newsweek, 13 May 2025
Bradley Whitford is risking his livelihood — and now with all the MAGA loons on the loose, his safety — to do the right thing.
—Trish Deitch, Variety, 8 Apr. 2025
See All Example Sentences for loon
Randall Colburn, EW.com, 23 June 2025
Sifting bones and teeth from the sediment of Alaska’s Prince Creek Formation, the authors identified an assortment of Cretaceous fossils and fossil fragments, which resembled the remains of modern gulls, geese, ducks, and loons.
—Sam Walters, Discover Magazine, 29 May 2025
None other than Laura Loomer, a conspiracy loon who believes Bush did 9/11 and, for whatever reason, has particular sway in the West Wing.
—Carlo Versano, MSNBC Newsweek, 13 May 2025
Bradley Whitford is risking his livelihood — and now with all the MAGA loons on the loose, his safety — to do the right thing.
—Trish Deitch, Variety, 8 Apr. 2025
See All Example Sentences for loon
Recent Examples of Synonyms for loon
Noun
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For Mimi Pond, the desire to do a book about the Mitford sisters – six larger-than-life British eccentrics (and one brother) who created a stir in both British and American culture – was obvious.—
Erik Pedersen,
Oc Register,
5 Sep. 2025
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For decades, sovereign citizens largely flew under the radar in Australia as relatively harmless eccentrics with a special interest in conspiracy theories.—
Hilary Whiteman,
CNN Money,
29 Aug. 2025
Noun
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Indeed, the only character from The Office that actually carried over into the new series is Oscar, who serves as the lead accountant for Softees but gets dragooned into reporting and constructing Sudokus for the paper.—
Michael M. Rosen,
The Washington Examiner,
12 Sep. 2025
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Instead, deaf viewers see unsynchronized plain white text on a black background and it is left to their imagination to infer those rich and nuanced character tomes essential for storytelling that hearing audiences take for granted.—
Gus Alexiou,
Forbes.com,
11 Sep. 2025
Noun
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Seth Rollins gassed Bron up by saying Jey Uso thinks his dad is a loser and his uncle is a moron.—
Alfred Konuwa,
Forbes.com,
18 Aug. 2025
Noun
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Not the crazy aunt/spell-casting kook who’s going to be film fans’ top Halloween costume this year.—
Brian Truitt,
USA Today,
9 Aug. 2025
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Aster is no longer offering a twist on things that really took place but on fantasies that occurred only in the imaginations of right-wing kooks.—
Nate Jones,
Vulture,
18 July 2025
Noun
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So, the parallel thing that I’ve been frustrated by recently is not just calling Trump stupid, but calling Trump voters stupid.—
Drew Broussard
May 22,
Literary Hub,
22 May 2025
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Sometimes too stupid is actually smartski but sometimes is just stupid stupid.—
Caroline Downey,
National Review,
27 Mar. 2025
Noun
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This wacko crew was one of the greatest things in the history of television.—
Jordan Hoffman,
EW.com,
14 Aug. 2025
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His search takes him to a wacko cult in the desert run by a scamster, and that of course puts the sheriff in deadly danger.—
Sandra Dallas,
Denver Post,
6 July 2025
Noun
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Bits of bacon, mini hot-pockets, nutter butters and doritos.—
Outside Online,
Outside Online,
16 Jan. 2025
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Its founder was not a member of Congress but Paul Weyrich, a hard-right nutter with theocratic leanings with a fair claim to being the Johnny Appleseed of the New Right, having also co-founded the Heritage Foundation, the Moral Majority, and the American Legislative Exchange Council.—
Timothy Noah,
The New Republic,
27 Mar. 2023
Noun
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That is enough to prompt scheduling a video chat with a purported demonologist (Laura Heisler) who does not seem a nutcase or charlatan.—
Dennis Harvey,
Variety,
10 Aug. 2022
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Although My Donkey, My Lover & I (Antoinette dans les Cévennes) was made in 2020, before Libs of TikTok exposed school-teacher lunacy, writer-director Caroline Vignal proves prescient about the eccentricity that goes deeper than the profession’s nutcase radicalism.—
Armond White,
National Review,
27 July 2022
Cite this Entry
“Loon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/loon. Accessed 13 Sep. 2025.
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