altercation
/ˌɔltərˈkeɪʃ(ə)n/
noun
A noisy argument or disagreement, especially in public.
I had an altercation with the conductor
argument,quarrel,squabble,fight,shouting match,contretemps,disagreement,difference of opinion,dissension,falling-out,dispute,disputation,contention,clash,acrimonious exchange,war of words,wrangle