Entry
  1. Interjection (kandoushi)

    oh; oh my; oh dear; wow

    expresses surprise or admiration

    「どう思う?」「いや、賛成だ」
    "What do you think?" "Well, I'm for it."
  2. well, ...; er ...; why, ...

Also written イヤいやーイヤーいやあいやぁ

Pitch on OJAD