1. Having a broad, flattened front; as, the bluff bows of a ship. "Bluff visages." Irving.

2. Rising steeply with a flat or rounded front. "A bluff or bold
shore." Falconer.
Its banks, if not really steep, had a bluff and precipitous aspect.
Judd.

3. Surly; churlish; gruff; rough.

4. Abrupt; roughly frank; unceremonious; blunt; brusque; as, a bluff answer; a bluff manner of talking; a bluff sea captain. "Bluff King Hal." Sir W. Scott. There is indeed a bluff pertinacity which is a proper defense in a moment of surprise. I. Taylor.

BLUFF
Bluff, n.

1. A high, steep bank, as by a river or the sea, or beside a ravine or plain; a cliff with a broad face. Beach, bluff, and wave, adieu. Whittier.

2. An act of bluffing; an expression of self-confidence for the purpose of intimidation; braggadocio; as, that is only bluff, or a bluff.

3. A game at cards; poker. [U.S.] Bartlett.

BLUFF
Bluff, v. t. [imp. & p. p. Bluffed; p. pr. & vb. n. Bluffing.]

1. (Poker)