D defs.my
Entry 1 sense Webster, 1913

gotta

/(gŏt"tŭ)/ · got·ta · IPA /ˈɡɑtə/
01 phr. Got to; have to; must; as, I gotta leave now.
  1. 1.
    Got to; have to; must; as, I gotta leave now.[colloq., phonetic spelling]