DIM BULB Synonyms: 121 Similar and Opposite Words

dim bulb

noun

Definition of dim bulb

slang

as in moron

a stupid person was considered something of a dim bulb at work

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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 dim bulb Swap dim bulbs for brighter, warmer ones. — Kansas City Star, 1 May 2026 That’s because well more than half of the universe’s stars are tiny, cool red dwarfs, dim bulbs with half to less than 10 percent of the sun’s mass. — Phil Plait, Scientific American, 20 Mar. 2026 Not only are Hochul's numbers in bad shape throughout the state, the congresswoman is vastly smarter and quicker than the dim bulb governor. — Nick Mordowanec, MSNBC Newsweek, 16 Sep. 2025 Georgie, a big-hearted dim bulb, is working for Jim, who owns a tire store or something. — Daniel Fienberg, The Hollywood Reporter, 17 Oct. 2024 While there are dim bulbs in both parties, a special lighting area should be designed for Alabama Senator and former Auburn football coach Tommy Tuberville. — Walter Shapiro, The New Republic, 25 Sep. 2023 Hamm's cop is on the case that involves moldy fast food, a deaf hitman and a bunch of dim bulbs not good at crimes. — Brian Truitt, USA TODAY, 15 June 2023

Recent Examples of Synonyms for dim bulb

Noun

God help us all if some idiot, some moron, ever put you in charge.

— Greg Evans, Deadline, 18 July 2026
Mantzoukas was willing to look like a maniac and a moron in equal measure.

— Roxana Hadadi, Vulture, 17 June 2026

Definition of moron

Noun

Most uncomfortable—not even a crash-test dummy would have enjoyed it.

— The Atlantic, The Atlantic, 2 Aug. 2026
On June 15, the National Highway Traffic Safety Administration (NHTSA) conducted crash testing, using a three-year-old dummy to test the headrest at its highest position in both forward- and rear-facing modes.

— Charna Flam, PEOPLE, 29 July 2026

Definition of dummy

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dim

dim bulb

dim bulbs

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“Dim bulb.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/dim%20bulb. Accessed 14 Aug. 2026.

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Synonyms of dim bulb

noun

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