opposite number

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a person or thing having the same function or characteristics as another
• Syn:
counterpart, vis-a-vis
• Hypernyms:
equivalent
• Hyponyms:
match, mismatch, complement

• Từ đồng nghĩa / Synonyms:
  counterpart, vis-a-vis