as in stupid
showing or marked by a lack of good sense or judgment
had the crackbrained idea that he was receiving radio signals from outer space
Synonyms & Similar Words
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Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for crackbrained
Adjective
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And to be perfectly fair, nervous gratuitous laughter at stupid jokes is not unknown among anyone, including the press corps.—
John Shipley,
Twin Cities,
24 Feb. 2026 -
Above all else, avoid the stupid mistakes that lead to injury, illness, and evacuation from the game.—
Kristen Geil,
Outside,
24 Feb. 2026
Adjective
-
Every detail of Canadian/American (and the slash here is intentionally indicating a romantic relationship versus a friend or co-worker vibe) civics was sillier than the last.—
Bethy Squires,
Vulture,
27 Feb. 2026
-
Nothing is too silly or simple.—
Popular Science Team,
Popular Science,
27 Feb. 2026
Adjective
-
Although his fortunes have faltered, counting Trump out would be foolish.—
Jonathan Lemire,
The Atlantic,
24 Feb. 2026
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But counting on two players with hamstring issues to rescue the defense seems more foolish than strategic.—
Troy Renck,
Denver Post,
23 Feb. 2026
Adjective
-
Get mad enough to change your mind.—
Dan Hyman,
Rolling Stone,
22 Feb. 2026
-
This study not only clarified the date of the burial, which drove archaeologists practically mad, as no one could determine why the dates kept coming back so broadly, but also settled the matter once and for all.—
Maria Mocerino,
Interesting Engineering,
21 Feb. 2026
Adjective
-
Chastain’s career has been pretty insane, too.—
Greg Riddle,
Dallas Morning News,
25 Feb. 2026
-
Canada is an insane team out there,’’ said Quinn Hughes.—
Pierre LeBrun,
New York Times,
22 Feb. 2026
Adjective
-
As a result, the price of gold is now approaching $5,300 an ounce, a level that would have seemed absurd even to seasoned commodities traders just a few years ago.—
Angelica Leicht,
CBS News,
27 Feb. 2026
-
Luke and Mike Bell, the father-and-son team from South Africa already famous for pushing electric quadcopters to velocities that seemed positively absurd, appear to be building for both.—
New Atlas,
New Atlas,
27 Feb. 2026
Adjective
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His passions outside of covering baseball are his wife, Gina, his two step kids, two crazy dogs & barbecue.—
Evan Grant,
Dallas Morning News,
23 Feb. 2026
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These big media projects, on the other hand, are usually like some big, crazy idea that comes together.—
Outside,
Outside,
23 Feb. 2026
Adjective
-
Anything else would be idiotic.—
Josh Yohe,
New York Times,
13 Jan. 2026
-
To do a lot less foolish, thoughtless, stupid, idiotic things.—
Gwen Faulkenberry,
Arkansas Online,
8 Jan. 2026
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Cite this Entry
“Crackbrained.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/crackbrained. Accessed 28 Feb. 2026.
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