inconstant Antonyms

constant unending unchanging unalterable unchangeable around the clock round the clock robotlike flag waving jingoistic unimpeachable uniform steadfast steady sure sworn true trustworthy trusty unbroken unfailing nationalistic ultranationalistic unattackable unvarying steady-going undiversified worthy of trust unfaltering unhazardous as solid as a rock congregant unswerving unflagging landline long-lasting unwavering bound up set in stone firmware unmodifiable nonvolatile as good as one's word staunch abiding FAST fiducial firm frequent good