Synonyms to unweakening

going strong, balmy, blooming, blossoming, booming, clear, exuberant, fair, fat, flourishing, flowering, fruiting, halcyon, in full force, in full swing, in good case, palmy, piping, prospering, rosy, sleek, thriving, unabated, unallayed, unbated, undiminished, unexhausted, unfaded, unflagging, unshaken, unweakened, unwithered, unworn, vigorous, actively, afoot, all out, allegretto, allegro, animatedly, astir, breezily, briskly, energetically, full tilt, lively, on foot, spiritedly, sprightly, stirring, vivaciously, unextinguished, unmitigated, unquelled, unquenched, unreduced, unrestricted, unretarded, unsoftened, u