unstable Copy link Outline I. Lit. (rare)1. instăbĭlis, e2. mōbĭlis, e3. incertusII. Fig.1. instăbĭlis2. fluxus • unstable: I. Lit. (rare): 1. instăbĭlis, e: u. gait, i. incessus, Liv. 24, 34. 2. mōbĭlis, e: v. unsteady. 3. incertus: v. insecure. II. Fig.: 1. instăbĭlis: u. fortune, i. fortuna, Tac. Hist. 4, 47. 2. fluxus: renown is u. and frail, gloria fluxa et fragilis est, Sall. Cat. 1. Join: instabilis et fluxus, Tac. Ann. 13, 19: f. et mobilis, Sall. Jug. 104: v. changeable, inconstant, unsteady.