adaptability UK /əˌdæptəˈbɪlɪti/US /əˌdæptəˈbɪləti/ noun2 •The quality of being adaptable; a quality that renders adaptable.But the real test of my adaptability came senior year, when I became chapter president of DKA. — 2020 •Variability in respect to, or under the influence of, external conditions; susceptibility of an organism to that variation whereby it becomes suited to or fitted for its conditions of environment; the capacity of an organism to be modified by circumstances. formsadaptabilities