Meanings
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1
adj
Not bright; giving or having little light.
The room was too dim for me to read comfortably.
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2
adj
Not clear; hard to see or remember.
I have only a dim memory of my early childhood.
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3
verb
To make a light less bright, or to become less bright.
The lights dimmed and the film began.
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4
adj
Not very intelligent.
He's a bit dim, but he means well.
Thesaurus
Etymology
From Middle English dim, dym, from Old English dim, dimm (“dim, dark, gloomy; wretched, grievous, sad, unhappy”), from Proto-West Germanic *dimm, from Proto-Germanic *dimmaz (“dark”), from Proto-Indo-European *dʰem- (“to whisk, smoke; obscure”). Compare Faroese dimmur (“dark”), Icelandic dimmur (“dark”) and dimma (“darkness”).
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