na-adjective, noun
high-handed; overbearing; domineering
Describes an attitude or manner that is arrogant, pushy, or intimidatingly forceful. Often used with 態度 (attitude) or 口調 (tone).
彼の居丈高な態度には我慢できない。
I can't stand his overbearing attitude.
The boss gave orders in a high-handed manner.