intermittent Antonyms

persistent spasmodical stationary steady successional unbroken uniform unremitting yearly smooth seriate seedling prog protractile recurring regular reiterative relentless repeated retentive uninterrupted unceasing unending dime a dozen ever-growing pathologically real time steady-going undiscouraged undiversified built to last unvarying in order 24-7 unchanging acyclic around the clock round the clock nonstop robotlike firmware noncyclical regular as clockwork abiding consecutive constant continual continuate continuative continuing