Definition of "yeah"
yeah1
/ˈjɛ(ə)/
particle
(colloquial) yes.
(colloquial) Used to express acknowledgment of what was previously said.
interjection
Expressing joy, celebration, glee, etc.
yeah2
noun
plural yeahs
(colloquial) yes.
(colloquial) Used to express acknowledgment of what was previously said.
Expressing joy, celebration, glee, etc.
plural yeahs