blus ‧ ter /ˈblʌstə $ -ər/ BrE AmE verb
[ Date: 1400-1500 ; Origin: Probably from Middle Low German blüsteren ]
1 . [intransitive and transitive] to speak in a loud angry way that is not really very impressive:
‘That’s hardly the point,’ he blustered.
2 . [intransitive] if the wind blusters, it blows violently
—bluster noun [uncountable]
—blustering adjective :
blustering wintry weather