ugh

interj. you use this when you find something disgusting, boring, or annoying.

interj. used to express a reaction of disgust, repugnance, or frustration.

“Ugh, this milk smells like it has gone bad.”

“Ugh, I cannot believe we have to sit through another three-hour meeting about office supplies.”

Informal

interj. a simple sound used in stories to show someone is not speaking clearly, like a caveman.

interj. represents a guttural, inarticulate vocalisation, often used in popular culture to depict primitive or non-verbal communication.

“The caveman in the cartoon just pointed at the fire and said, 'Ugh.'”

“The script relied on stereotypical grunts and 'ugh' sounds to convey the protagonist's lack of linguistic sophistication before the second act.”

Humorous · Literary