erratic Antonyms

consistent prudent stationary staunch steadfast steady sure systematic true trustworthy trusty truthful standard stanch recurring regimentals regular reliable responsible selective sensible sequential sober sound stable unbroken undulatory unevitable firmware stabile nonrandom nonvolatile all there commonsensical compos mentis steady-going undiversified as good as one's word pragmatics unwavering landline unfailing unimpeachable unremitting usual wise unceasing unchanging unchangeable round the clock