Meaning : A high steep bank (usually formed by river erosion).
Meaning : Pretense that your position is stronger than it really is.
Example :
His bluff succeeded in getting him accepted.
Meaning : The act of bluffing in poker. Deception by a false show of confidence in the strength of your cards.
Synonyms : four flush
Meaning : Bluntly direct and outspoken but good-natured.
Example :
A bluff but pleasant manner.
A bluff and rugged natural leader.