a prolonged public dispute, debate, or contention; disputation concerning a matter of opinion.
2.
contention, strife, or argument.
Origin: 1350–1400; Middle English controversie (< Anglo-French ) < Latin contrōversia, equivalent to contrōvers(us) turned against, disputed (contrō-, variant of contrā against, + versus, past participle of vertere to turn) + -ia-y3