indissoluble

Từ điển Oxford Learners Wordfinder Dictionary

adjective

1. (of a substance) incapable of being dissolved
• Syn:
insoluble
• Ant:
soluble (for: insoluble)
• Similar to:
water-insoluble, non-water-soluble
• Derivationally related forms:
insolubility (for: insoluble)
2. used of decisions and contracts
• Similar to:
permanent, lasting