In a lasting manner; continually, enduringly, permanently, perpetually, persistently, durably.

Lastingly, continuously; for a long time.

In a lasting manner; over a long period of time; durably, enduringly, permanently.

In a permanent manner; so as to last or continue; lastingly, enduringly; for ever, for good.

Continuously, permanently, for a permanence.

In an indelible manner; so as not to be blotted out or effaced.

unfailingly.

In a durable or lasting manner; lastingly.

(with a) Something permanent, a permanency. for a constancy: as a permanent arrangement.

Permanently.