Ĕnd'less, a.
a. [See END.] 1. Without end; having no end or conclusion; applied to length, and to duration; as, an endless line; endless duration; endless bliss.
Sense 2. Perpetually recurring; seemingly without end; interminable; incessant; continual; as, endless praise; endless clamor.
Sense 3. Without profitable conclusion; gaining no end; fruitless. “All loves are endless.” Beau. & Fl.
Sense 4. Void of design; objectless; as, an endless pursuit.
Endless screw (Mech.), a screw combined with a wheel and axle, so that the threads of the screw work into the teeth on the periphery of the wheel. Brande.
Synonyms—Eternal; everlasting; interminable; infinite; unlimited; incessant; perpetual; uninterrupted; continual.