Yainterjection
(informal) Yeah; yes.
Yainterjection
(informal) Go. (Spoken to horses and cattle.)
Yaadverb
yea; yes
Yaadverb
Yea.
Yeahinterjection
Expressing joy, celebration, glee, etc.
Yeahadverb
not only so, but;
Yeahinterjection
non-standard spelling of yes, representing a pronunciation
Yeahnoun
non-standard spelling of yes, representing a pronunciation