deterioration

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a symptom of reduced quality or strength (Freq. 1)
• Syn:
impairment
• Derivationally related forms:
deteriorate
• Hypernyms:
decay
• Hyponyms:
corrosion, devastation, desolation, decrepitude, dilapidation, wear
2. process of changing to an inferior state
• Syn:
decline in quality, declension, worsening
• Derivationally related forms:
worsen (for: worsening), decline (for: declension), deteriorate
• Hypernyms:
decline, diminution
• Hyponyms:
slump, slack, drop-off, falloff, falling off

• Từ đồng nghĩa / Synonyms:
  decline in quality, declension, worsening, impairment