Colloquial term meaning annoying, bothersome, or irritating; used frequently in casual speech.
隣の席の人の大声が続いて本当にうざい。
The person in the next seat keeps speaking loudly—it's really annoying.
上司の細かい指示が多すぎて、仕事がウザイと感じることがある。
Sometimes I feel the job is annoying because my boss gives too many petty instructions.
その広告、しつこく表示されてウザイからブロックした。
That ad kept appearing and was annoying, so I blocked it.
あいつ、ほんとにうぜえな。
That guy is really irritating.