One-sided \One`-sid"ed\, a. 1. Having one side only, or one side prominent; hence, limited to one side; partial; unjust; unfair; as, a one-sided view or statement. ``Unguarded and one-sided language.'' --T. Arnold. 2. (Bot.) Growing on one side of a stem; as, one-sided flowers. -- {One`-sid"ed-ly}, adv. -- {One`-sid"ed*ness}, n.