thirty

Từ điển WordNet v3.1 - WordNet Dictionary

I - noun

the cardinal number that is the product of ten and three (Freq. 2)
• Syn:
30, XXX
• Hypernyms:
large integer

II - adjective

being ten more than twenty (Freq. 17)
• Syn:
30, xxx
• Similar to:
cardinal

• Từ đồng nghĩa / Synonyms:
  30, xxx, XXX