adverb, adverb taking the 'to' particle, noun or participle which takes 'suru'
fed up; sick of; tedious
Expresses strong weariness or disgust from prolonged or repeated exposure to something unpleasant. Often used with する or as an adverb with と.
毎日同じお弁当でうんざりしている。
I'm fed up with the same lunch every day.
彼の長話にはうんざりした。
I got sick of his long story.
雨が続いてうんざりだ。
This continuous rain is tedious.