one-sided

Adjective

• favoring one person or side over another
  • a biased account of the trial
    
  • a decision that was partial to the defendant
    

• involving only one part or side
  • unilateral paralysis
    
  • a unilateral decision
    

• not reversible or capable of having either side out

Related words

• Synonyms: 
  biased , colored , coloured , slanted , unilateral , nonreversible
• Antonyms: 
  multilateral , many-sided , reversible , two-sided