ya

adverb1

1. •
   (dialect, UK) yea; yes

   • 'Ya, wilt thou!' said Wallace, 'then tak thee that, […]' — 1806

exclamation3

1. •
   (informal) Yeah; yes.
2. •
   (Singapore, informal) Yes, yeah (used to express affirmation)
3. •
   (informal) Go. (Spoken to horses and cattle.)

noun1

1. •
   A letter of the Cyrillic alphabet: Я, я.

particle1

1. •
   (Singlish) Used to form a confirmation-seeking tag question, expecting an affirmative response.

   • What about yourself Mr Chee, never look a day older, you'll see the rest of us six feet under… Really you look very well. I heard you went for new treatment in Switzerland ya?… — 1983

noun2

1. •
   Initialism of young adult

   • 22 March 2012, Scott Tobias, AV Club The Hunger Gameshttp://www.avclub.com/articles/the-hunger-games,71293/ While Collins does include a love triangle, a coming-of-age story, and other YA-friendly elements in the mix, they serve as a Trojan horse to smuggle readers into a hopeless world where love becomes a stratagem and growing up is a matter of basic survival.
2. •
   Initialism of youth authority.