cardboard

Từ điển WordNet v3.1 - WordNet Dictionary

I - noun

a stiff moderately thick paper (Freq. 1)
• Syn:
composition board
• Hypernyms:
paper, packing material, packing, wadding
• Hyponyms:
binder's board, binder board, card, corrugated board, corrugated cardboard,
paperboard, poster board, posterboard, pasteboard, strawboard

II - adjective

without substance
- cardboard caricatures of historical figures
• Syn:
unlifelike
• Similar to:
artificial, unreal

• Từ đồng nghĩa / Synonyms:
  unlifelike, composition board