- Noun - 1. a high steep bank (usually formed by river erosion) - 2. pretense that your position is stronger than it really is; "his bluff succeeded in getting him accepted"- 3. the act of bluffing in poker; deception by a false show of confidence in the strength of your cards 
- Verb - 1. deceive an opponent by a bold bet on an inferior hand with the result that the opponent withdraws a winning hand - 2. frighten someone by pretending to be stronger than one really is 
- Adjective - 1. 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"- 2. bluntly direct and outspoken but good-natured; "a bluff but pleasant manner""a bluff and rugged natural leader"