Adjective bluff has 2 senses
  1. bluff, bold, sheer - very steep; having a prominent and almost vertical front; "a bluff headland"; "where the bold chalk cliffs of England rise"; "a sheer descent of rock"
    Antonym: gradual (indirect, via steep)
  2. bluff - bluntly direct and outspoken but good-natured; "a bluff but pleasant manner"; "a bluff and rugged natural leader"
    Antonym:
    indirect (indirect, via direct)
,Noun bluffer has 1 sense
  1. bluffer, four-flusher - a person who tries to bluff other people
    --1 is a kind of deceiver, cheat, cheater, trickster, beguiler, slicker
    Derived forms: verb bluff1, verb bluff2
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