impermanency

Từ điển WordNet v3.1 - WordNet Dictionary

noun

the property of not existing for indefinitely long durations
• Syn:
impermanence
• Ant:
permanence (for: impermanence)
• Derivationally related forms:
impermanent, impermanent (for: impermanence)
• Hypernyms:
duration, length
• Hyponyms:
temporariness, transience, transiency, transitoriness, mortality

• Từ trái nghĩa / Antonyms:
  permanence, permanency