permanent, lasting

continuing or enduring without marked change in status or condition or place; "permanent secretary to the president"; "permanent address"; "literature of permanent value"

• abiding, enduring, imperishable — unceasing
• ageless, eternal, everlasting, perpetual, unending, unceasing — continuing forever or indefinitely
• indissoluble — used of decisions and contracts
• standing(a) — not created for a particular occasion

• permanence, permanency — the property of being able to exist for an indefinite duration