long-lasting Antonyms

short-lived rootless shifting short meteoric temporary terminable transformable transient rescindable quicksilver putrescible momentaneous momentary movable passing permutable protean proteiform provisory transitive transitory transmigratory airborne jittering biodegradable boylike chameleon-like ever-changing short-term unsturdy unsteady unfixed whimsical unreliable unstable variable variform varying vibratory vicissitudinary vicissitudinous variational abrupt breve brief changing changeable changeful circumforaneous