Enduring, long-lived, long-established, lifelong, abiding, deep-rooted, strong, stable, firm, time-honoured, lasting, long-running, long-standing, permanent, surviving, established, durable, fast, reliable, and traditional.
Example Sentences of Long-lasting
Their friendship had a long-lasting bond.
The storm caused long-lasting damage everywhere.
He left a long-lasting impression today.
Long-lasting effects were seen in studies.
The paint provides long-lasting protection outdoors.