Definitions

1. noun

a harsh, guttural sound, especially as made by a person or animal

“The sound of the boulder tumbling down the mountain was a loud ough.”

2. verb

to make a harsh, guttural sound

“The dog oughed loudly as it chased its tail.”

3. suffix

used in forming nouns and verbs that denote a harsh, grating, or unpleasant sound

“cough”

4. interjection

used to express disgust, distaste, or exasperation

“Ugh, this food is disgusting!”