An exclamation expressing disgust, annoyance, or exasperation. A natural vocal sound conveying negative emotion or frustration.
Likely imitative of a natural grunt or groan sound humans make when expressing displeasure. Found in various forms across many languages, suggesting it may represent a universal human vocal expression.
Linguists classify 'ugh' as an interjection that's probably pre-linguistic - it appears in similar forms across unrelated languages worldwide. It's fascinating that this simple sound carries such clear emotional meaning that it needs no translation between cultures.
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