hyperbolically for: Interminable; perpetual, incessant, constant.

Continuing or continued in time without interruption or remission; repeated frequently or without cessation; occurring in endless succession…

Never ceasing, incessant, continuous. (Common from 1750.)

Of a condition: unceasing, continuous, unremitting. Now rare or merged in sense A. 3.

Lasting, continuing, enduring. (Now usually abiding, n.)

transferred. Of persons and things: That is always in some (specified) position, engaged in some (specified) action, etc.; continually existing…

In predicative use: remaining, staying; continuing to exist. Obsolete.

That does not cease; unceasing, ceaseless, continual, either in duration or repetition.

= incessant, adj. (Very common 1550–1690.)

Of unceasing character; ceaseless, incessant.

Unceasing, ceaseless; constant, continual.

Constant, continual; continued until now.

Without ceasing, unceasing, uninterrupted.

Unceasing, incessant, perpetual.

Incessant.

(un-, prefix1 affix 1.)

Of actions, conditions, processes, etc.: Continuing without intermission or cessation, or only with such intermissions as do not interrupt…

Continual, perpetual.

That tarries. Remaining, abiding.

Without succession in time.

Having a tendency or inclination to perpetuate something; that effects perpetuation.