ugh
interj. B1 Intermediate US //ˈəɡ// UK //ˈʌɡ// ugh
interj. a sound you make to show you are annoyed, disgusted, or bored. You use it when you find something unpleasant or frustrating.
interj. an exclamation used to express disgust, annoyance, or physical discomfort. It functions as a standalone utterance or a sentence-initial marker of negative affect.
Ugh, this milk smells terrible.
Ugh, I really don't want to spend another three hours sitting in this traffic jam.
The protagonist's only response to the mountain of paperwork was a weary 'ugh' before she finally sat down to begin the task.
Usage
Typically used as a standalone exclamation or at the beginning of a sentence to set a negative tone.