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Synonyms for Bleak (same or very similar meaning)

WordNet sense 1 (unpleasantly cold and damp):
cutting, raw

WordNet sense 2 (used of physical coldness; having a low or inadequate temperature or feeling a sensation of coldness or having been made cold by e.g. ice or refrigeration):

WordNet sense 3 (providing no shelter or sustenance):
bare, barren, desolate, stark, desolate

WordNet sense 4 (offering little or no hope):
black, dim

WordNet sense 5 (without hope because there seems to be no possibility of comfort or success):

From the ODE community, based on WordNetadd/edit