Definition of blustering
1 : blowing in stormy gusts blustering winds
2 : speaking loudly and aggressively a blustering bully
blusteringlyadverb This rather prompted the question of why Apple had been so confident of its encryption powers. Was it merely naïve in its belief in its own technical competence? Blusteringly overconfident? — Michael Wolff
First Known Use of blustering
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