Dictionary entry

Incessant

Webster's Dictionary 1913

In‐ces″sant (?), a. [L. incessans, -antis; pref. in- not + cessare to cease: cf. F. incessant. See Cease.] Continuing or following without interruption; unceasing; unitermitted; uninterrupted; continual; as, incessant clamors; incessant pain, etc.

Against the castle gate,

... Which with incessant force and endless hate,

They batter'd day and night and entrance did await. Spenser.

Syn. — Unceasing; uninterrupted; unintermitted; unremitting; ceaseless; continual; constant; perpetual.