To speak or say very loudly or with a shout
The bluster of wind screached in his ears.
The basketball players liked to bluster about their skills but few could make the shot.
The winds bluster and howl against the window, shaking the house violently.
The gambler bluffed obnoxiously about her hand, hoping to deceive her opponents with bluster.
The generals bluster of war but will not risk open conflict.