bluff

Short definition from Wiktionary

Noun

1. 1
   An act of bluffing; a false expression of the strength of one’s position in order to intimidate or deceive; braggadocio.
2. 2
   An attempt to represent oneself as holding a stronger hand than one actually does.
3. 3
   The card game poker.
4. 4
   One who bluffs; a bluffer.
5. 5
   Pretense, excuse.
6. 6
   A high, steep bank, for example by a river or the sea, or beside a ravine or plain; a cliff with a broad face.
7. 7
   A small wood or stand of trees, typically poplar or willow.

Verb

1. 1
   To make a bluff; to give the impression that one’s hand is stronger than it is.
2. 2
   To frighten, deter, or deceive with a false show of strength or confidence; to give a false impression of strength or temerity in order to intimidate or gain some advantage.
3. 3
   To perform or achieve by bluffing.
4. 4
   To give false information intentionally, to lie (to someone), to deceive; to put on an act.
5. 5
   To fluff, puff or swell up.

Adjective

1. 1
   Having a broad, flattened front.
2. 2
   Rising steeply with a flat or rounded front.
3. 3
   Surly; churlish; gruff; rough.
4. 4
   Roughly frank and hearty in one's manners.

Proper noun

1. 1
   A town in Southland, New Zealand, the southernmost in the South Island, and seaport for the Southland region.