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"