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gloom

intransitive verb

  1. to be or look morose, displeased, or dejected
  2. to be, become, or appear dark, dim, or dismal

transitive verb

to make dark, dismal, dejected, etc.

noun

  1. darkness; dimness; obscurity
  2. a dark or dim place
  3. deep sadness or hopelessness

See gloom in American Heritage Dictionary 4

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