Definition of "dim" in English

adjective

1. Not bright or colorful.

   • The lighting was too dim for me to make out his facial features.

2. (colloquial) Not smart or intelligent.

   • He may be a bit dim, but he's not entirely stupid.

3. Indistinct, hazy or unclear.

   • His vision grew dimmer as he aged.

4. Disapproving, unfavorable: rarely used outside the phrase take a dim view of.

noun

1. (archaic) Dimness.

verb

1. (transitive) To make something less bright.

   • He dimmed the lights and put on soft music.

2. (intransitive) To become darker.

   • The lights dimmed briefly when the air conditioning was turned on.

3. To render dim, obscure, or dark; to make less bright or distinct.

4. To deprive of distinct vision; to hinder from seeing clearly, either by dazzling or clouding the eyes; to darken the senses or understanding of.

5. (figurative) To diminish, dull, or curtail.

   • All these setbacks had started to dim the hopes of the students.
   • Nothing will dim their spirit of resilience.
   • A glut might dim the outlook for grain futures.

adjective

1. (music) Clipping of diminished.