xiāo​zhāng

arrogant

嚣张 (囂張) xiāo​zhāng
arrogant adjective
behaving in an overbearing, aggressive, or defiant manner

His attitude was extremely arrogant, showing complete disregard for others.

rampant adjective
spreading or acting without restraint; unbridled in activity or influence

Smuggling activities in this area have become very rampant recently.

Frequency

Movie subtitles
1.85 per million appears in 1% of films
Written text
6.22 per million

Sources

Definitions
CC-CEDICT