Yuck Definition
yuk
interjection
Used to express disgust, distaste, etc.
Webster's New World
Uttered to indicate disgust usually toward an objectionable taste or odour.
Wiktionary
noun
Webster's New World
Something unpleasant, disgusting, etc.
Webster's New World
(countable) The sound made by a laugh.
Wiktionary
verb
(obsolete) To itch.
Wiktionary
Other Word Forms of Yuck
Noun
Singular:
yuckPlural:
yucks

