fitful Antonyms

regular as clockwork unchangeable unceasing uninterrupted unremitting unevitable unbroken steady stationary static repeated round the clock nonstop not if but when queued unvarying in order all over but the shouting 24-7 nonvolatile long-lasting landline robotlike regular powerful perpetual continuous continuing continued continuative continual constant coagulated chronological chronical chronic equable even ordered methodical inevitable incessant inalterable habitual gummy glutinous gluey gelatinous ceaseless