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An unintelligent or slow-witted person. I explained this to you not once, but three times! Are you just a dim bulb, or what?
To lessen something in brightness, as of a light. A noun or pronoun can be used between "dim" and "down." I dimmed down the lights so that we could have a romantic candlelit dinner. We knew that the play was about to start once the lights dimmed down.
To darken completely after a period of dimming. We were all disappointed when the lights dimmed out in the middle of our party.
To cause dim lights to become brighter. We knew that the band wasn't going to play another encore when the lights in the arena dimmed up.
take a dim view
To view unfavorably; to disapprove. I'm afraid the administration is taking a dim view of that legislation, so it will most likely get vetoed. The authorities take a dim view of any kind of fraud, even what you might think is a minor offense.
[for the lights] to go dim. The lights dimmed down for a few seconds. Open the stage curtain when the house lights dim down.
[for a light] to grow dim and go out altogether. The lights dimmed out twice during the storm. I was afraid that the lights would dim out completely.
dim something down
to make lights dim; to use a dimmer to make the lights dimmer. Why don't you dim the lights down and put on some music? Let me dim down the lights and put on some music.
dim something up
to use a dimmer to make the lights brighter. (Theatrical. A dimmer is a rheostat, variable transformer, or something similar. The expression, a seeming contradiction, is the opposite of dim something down.) As the curtain rose, the electrician dimmed the lights up on a beautiful scene. You dimmed up the lights too fast.
take a dim view of someone or something
to disapprove of someone or something. Of all the boys, the teacher likes Dave the least. She takes a dim view of him. I take a dim view of that law.
take a dim view of
Regard disapprovingly, as in I take a dim view of meeting every single week. This idiom, which uses dim in the sense of "unfavorable," was first recorded in 1947
take a dim view of somethingBRITISH, AMERICAN or
take a poor view of somethingBRITISH
COMMON If you take a dim view of something or take a poor view of it, you disapprove of it. The French take a dim view of anyone who only has a snack at lunchtime. Fellow critics took a poor view of a critic who reviewed Paramount films and accepted a fee from the studio.
take a dim (or poor) view ofregard someone or something with disapproval.
1996 C. J. Stone Fierce Dancing He says that…the Home Office…take a dim view of lifers talking to the press.
take a dim/poor ˈview of somebody/somethingdisagree with or dislike somebody/something: Farmers tend to take a dim view of the public walking over their land. ♢ The judge said he took a very poor view of their behaviour.
n. the evening; the night. (Streets.) Where’ll you be this dim?
n. a dull person; a stupid person. George seems to be a dim bulb, but he’s a straight-A student.