BRAVADO
bravado, bluster
(noun) a swaggering show of courage
Source: WordNet® 3.1
Etymology
Noun
bravado (countable and uncountable, plural bravados or bravadoes)
A swaggering show of defiance or courage.
A false show of courage.
(obsolete) A swaggerer; a braggart.
Verb
bravado (third-person singular simple present bravados, present participle bravadoing, simple past and past participle bravadoed)
(obsolete, intransitive) To swagger; to brag.
Source: Wiktionary
Bra*va"do, n., pl. Bravadoes. Etym: [Sp. bravada, bravata, boast,
brag: cf. F. bravade. See Brave.]
Definition: Boastful and threatening behavior; a boastful menace.
In spite of our host's bravado. Irving.
Source: Webster’s Unabridged Dictionary 1913 Edition