bravado

noun

1. (countable, uncountable)A swaggering show of defiance or courage.

   “The angry customer stood in the middle of the showroom and voiced his complaints with loud bravado.”

   “For a bravado he had the organ taken down and conveyed to his father's house, where he had it put up in the chamber where it now stands. It was also for a bravado that he played on it every day. But, by−and−by, the amount of time which he spent at it daily began to increase rapidly.”

   “Rokoff assumed a truculent air, attempting by bravado to show how little he feared Tarzan’s threats.”

   “1990 Amy Longsdorf, K.T. Oslin: Personality, Wit and Style To Spare", The Morning Callhttp://articles.mcall.com/1990-08-11/entertainment/2758085_1_oslin-country-music-kt Songs like "Hey Bobby", and "Do Ya" drip with innuendo and sexual bravado.”

   “Stripped of all bravado, Cersei breaks, and shows the very scared, vulnerable woman who has kept her emotions at bay. “I don’t want to die,” she whimpers, “Not like this.” It’s all the more moving for coming from a character who built her identity on steely resolve and contempt for such hoary conceits as fear.”

2. (countable, uncountable)A superficial show of courage.
3. (countable, obsolete, uncountable)A swaggerer; a braggart.

verb

1. (intransitive, obsolete)To swagger; to brag.