gloomnoun/ɡluːm/

• 1

  Darkness, dimness, or obscurity.

  • the gloom of a forest, or of midnight
  • Here was a surprise, and a sad one for me, for I perceived that I had slept away a day, and that the sun was setting for another night. And yet it mattered little, for night or daytime there was no light to help me in this horrible place; and though my eyes had grown accustomed to the gloom, I could make out nothing to show me where to work.
• 2

  A depressing, despondent, or melancholic atmosphere.

  • A sudden little river crossed my path / As unexpected as a serpent comes. / No sluggish tide congenial to the glooms— / This, as it frothed by, might have been a bath / For the fiend's glowing hoof—to see the wrath / Of its black eddy bespate with flakes and spumes.
  • Although it's always crowded You still can find some room For broken-hearted lovers To cry there in their gloom.
• 3

  Cloudiness or heaviness of mind; melancholy; aspect of sorrow; low spirits; dullness.

  • A sullen gloom and furious disorder prevailed by fits.
• 4

  A drying oven used in gunpowder manufacture.

gloomverb/ɡluːm/

• 1

  To be dark or gloomy.

  • Here, while the proud their long drawn pomps diſplay, / There the black gibbet glooms beſide the way.
  • Around all the dark forest gloomed.
• 2

  To look or feel sad, sullen or despondent.

  • Her face gathers, furrows, glooms; arching eyebrows wrinkle into horizontals, and a tinge of bitterness unsmooths the cheek and robs the lip of sweetened grace. She is evidently perturbed.
  • Ciss was a big, dark-complexioned, pug-faced young woman who seemed to be glooming about something.
• 3

  To render gloomy or dark; to obscure; to darken.

  • A black yew gloom'd the stagnant air.
• 4

  To fill with gloom; to make sad, dismal, or sullen.

  • For see you not, dear love, / Such a mood as that, which lately gloom'd / Your fancy when you saw me following you, / Must make me fear still more you are not mine, […]
  • Good Heaven! What ſorrows gloom'd that parting day, / That called them from their native walks away; […]
• 5

  To shine or appear obscurely or imperfectly; to glimmer.