noun

1. Pompous, officious talk.

2. A gust of wind.

3. Fitful noise and violence.

Synonyms: bombast

verb

1. To speak or protest loudly.

   “When confronted by opposition his reaction was to bluster, which often cowed the meek.”

2. To act or speak in an unduly threatening manner.

3. To blow in strong or sudden gusts.