D defs.my
Entry 1 sense Webster, 1913

Indefectible

· In·de·fect·i·ble · IPA /ɪndɪˈfɛktɪbəl/
01 a. Not defectible; unfailing; not liable to defect, failure, or decay.
  1. 1.
    Not defectible; unfailing; not liable to defect, failure, or decay.
    “An indefectible treasure in the heavens.” Barrow.
    “A state of indefectible virtue and happiness.” — S. Clarke.