Definitions

1. exclamation

an expression of disgust or distaste

“She let out a loud ‘yuck’ when she saw the worm in her sandwich.”

2. verb

to find or express disgust or distaste for something

“He yucked at the smell of rotten fish.”

3. noun

something that is disgusting or distasteful

“The yuck of the old, moldy bread was unbearable.”

4. interjection

an expression of disgust or distaste

“Yuck! This milk has gone bad.”