imperishability

endurance grit persistence stamina staying power

backbone constancy guts gutsiness heart lastingness moxie permanence starch

durableness hard as nails intestinal fortitude

weakness

cowardice fear

impermanency poorness unreliability

aeon afterlife age ages endlessness everlastingness future immortality infiniteness infinitude infinity perpetuity timelessness

all time blue moon dog's age endless time forever and a day kingdom come other world time without end wild blue yonder world without end

aeon afterlife age ages endlessness everlastingness future immortality infiniteness infinitude infinity perpetuity timelessness

blue moon dog's age endless time eternality eternalness forever and a day kingdom come other world time without end wild blue yonder world without end

durability wholeness

firmness integrity stability starch strength

durableness

instability weakness