Definition of "one-sided"

one-sided

adjective
comparative more one-sided, superlative most one-sided
1. Partial or biased in favour of one faction or demographic group.
2. With one competitor dominant over the other.
  Quotations
  Lovenkrands only just failed to connect with another Enrique cross in what was becoming a one-sided affair at Ewood Park but despite Newcastle dominating, Blackburn held out with the half ending goalless.
  2011 February 12, Nabil Hassan, “Blackburn 0 - 0 Newcastle”, in BBC‎
  The fight is not all one-sided. Lion is taking a savage beating as the two flagships trade body blows almost independent of the furious carronade going on behind them.
  2018 October 17, Drachinifel, 14:13 from the start, in Last Ride of the High Seas Fleet - Battle of Texel 1918‎, archived from the original on 4 August 2022
3. Out of proportion or lopsided.
4. Having only one side, like a Möbius strip.
5. (botany) Turned to one side.
6. (logic, of a modality) That is necessarily or absolutely different than the respective coordinate alethic or temporal modality, but not its opposite.