permanency

Từ điển WordNet v3.1 - WordNet Dictionary

noun

the property of being able to exist for an indefinite duration
• Syn:
permanence
• Ant:
impermanence (for: permanence)
• Derivationally related forms:
permanent, permanent (for: permanence)
• Hypernyms:
duration, length
• Hyponyms:
perpetuity, sempiternity, lastingness, durability, enduringness,
strength, imperishability, imperishableness, imperishingness, perdurability, immortality
• Attrubites:
permanent, lasting, impermanent, temporary

• Từ trái nghĩa / Antonyms:
  impermanence, impermanency