bleak / blēk/ • adj. (of an area of land) lacking vegetation and exposed to the elements: a bleak and barren moor. ∎ (of a building or room) charmless and inhospitable; dreary. ∎ (of the weather) cold and miserable: a bleak midwinter's day. ∎ (of a situation or future prospect) not hopeful or encouraging; unlikely to have a favorable outcome: he paints a bleak picture of a company that has lost its way. ∎ (of a person or a person's expression) cold and forbidding: his bleak, near vacant eyes grew remote.DERIVATIVES: bleak·ly adv.bleak·ness n.bleak2 • n. a small silvery shoaling fish (genera Alburnus and Chalcalburnus) of the minnow family, found in Eurasian rivers.