1.
[syn: ceaseless, constant, incessant, never-ending, perpetual, unceasing, unremitting]
The Collaborative International Dictionary of English v.0.48:
Incessant \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.
[1913 Webster]
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.
[1913 Webster]
WordNet (r) 3.0 (2006):
incessant
adj 1: uninterrupted in time and indefinitely long continuing;
"the ceaseless thunder of surf"; "in constant pain";
"night and day we live with the incessant noise of the
city"; "the never-ending search for happiness"; "the
perpetual struggle to maintain standards in a democracy";
"man's unceasing warfare with drought and isolation";
"unremitting demands of hunger" [syn: ceaseless,
constant, incessant, never-ending, perpetual,
unceasing, unremitting]