1
as in geese
a silly flighty person
those birdbrains who eagerly adopt every fad diet that comes along
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in morons
a stupid person
some birdbrain left the water running
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for birdbrains
Noun
-
The honks of wild Canada geese, for instance, fresh out of the Arctic and now high in the clouds going south, signal a change in seasons for me.—
Literary Hub,
Literary Hub,
4 Nov. 2025 -
The farm is home to goats, Holstein cows, potbellied and kune kune pigs, donkeys, sheep, rabbits, llamas, alpacas, guinea fowl, guinea pigs, geese, chickens, a Shetland pony, and a Shire horse.—
Rachel Raposas,
PEOPLE,
23 Oct. 2025
Noun
-
Choosing to send only one hero per call will also substantially reduce the likelihood of succeeding — if the morons even stand for it.—
Christopher Cruz,
Rolling Stone,
30 Oct. 2025
Noun
-
Brood parasites such as cuckoos lay their eggs in other birds’ nests, tricking the hosts into caring for their offspring at the expense of their own.—
Matthew Martin,
semafor.com,
6 Oct. 2025
Noun
-
Can't believe that after 10 years of us basing our most damning investigations on cell phone data, these idiots are still doing it.—
Sam Stevenson,
MSNBC Newsweek,
26 Nov. 2025
-
That's the deterrent for the idiots.—
Kirsten Fiscus,
Nashville Tennessean,
11 Nov. 2025
Noun
-
The fools of twenty-first-century Western imperialism possessed little of the historical literacy, let alone the moral sophistication, of Arendt, Weil, and Camus.—
Victor J. Blue,
Harpers Magazine,
23 Nov. 2025
-
The mind wants desperately to connect with a person—and fools itself into seeing one in a machine.—
Damon Beres,
The Atlantic,
5 Nov. 2025
Noun
-
The lunatics who attacked the seat of government to try to change the outcome of a free and fair election are not patriots.—
Bill Goodykoontz,
AZCentral.com,
6 Jan. 2026
-
Parents know these woke lunatics are bullies.—
Maia Pandey,
jsonline.com,
30 Oct. 2025
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.
Cite this Entry
“Birdbrains.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/birdbrains. Accessed 9 Jan. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share