brashness
Definitions
Bold, self-confident behavior that may seem rude or disrespectful.
A loud, showy, or aggressive manner.
Examples
His brashness made a poor first impression.
She admired his brashness in challenging the old rules.
Synonyms
audacity impudence boldness temerity effrontery presumption rashness
Antonyms
timidity shyness modesty caution diffidence hesitation meekness