1
as in dumb
not having or showing an ability to absorb ideas readily
the professor was forced to eat his words when the former student he once described as bubbleheaded became a leading authority in the field
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in stupid
showing or marked by a lack of good sense or judgment
was immediately caught trying to perpetrate a bubbleheaded scheme to defraud investors that no one fell for
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for bubbleheaded
Adjective
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Okay, there's trying something new and then there's just being dumb.—
Samantha Highfill, Entertainment Weekly, 12 Jan. 2026
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Why portray Dorothy as a doe-eyed ding-a-ling; as not just naive but dumb?—
Adjective
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Set in a perpetually sunny, idealized England vaguely between the wars, The Code of the Woosters concerns the misadventures of man-about-town Bertie Wooster (stupid, amiable, rich) and his impeccably helpful valet Jeeves.—
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At Amiri’s trial last year, Manly-Williams was brushed off by the defense as the stupidest witness prosecutors presented.—
Adjective
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Traditional humanoid robots depend heavily on data collected by human operators, which is slow and expensive.—
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Her days were slow and intentional.—
Adjective
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House’s agenda is to get Cooper to reveal himself as secretly working against Vault-Tec for resistance leader Lee Moldaver (Sarita Choudhury), but Cooper isn’t that foolish.—
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The Giants would be foolish to pay Harbaugh a ton of money and then not take full advantage of his expertise in the science of winning.—
Adjective
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This simple design works well once the engine is already moving very fast.—
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Do this simple test to find out if your soil is ready.—
Adjective
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This struck many experts as silly.—
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Frequent co-stars Johnson and Hart, known for their hilarious chemistry, have played Rock, Paper, Scissors and other silly games in promos for their movies, especially their Jumanji films.—
Adjective
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They’re made of a buttery soft, thick material that will keep you warm and cozy at home all winter.—
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Too thick of a mascara coat, and suddenly my gaze droops.—
Adjective
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And everyone is mad at Andrew—though this one feels like a rumor and more reality.—
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He’s been thrown straight into a mad month, in which Chelsea have Premier League, FA Cup, Carabao Cup and Champions League fixtures.—
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Cite this Entry
“Bubbleheaded.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/bubbleheaded. Accessed 20 Jan. 2026.
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