Antonyms for the term "full amounts" can be found in words like insufficient, inadequate, deficient, deficient in, meager, scant, scarce, scanty, limited, insufficient, inadequate, partial, and a few others. Insufficient refers to something not being enough in quantity or quality, while inadequate implies that something is not satisfactory or suitable for a particular purpose. Deficient and deficient in both suggest that something is lacking in some way, while meager, scant, and scarce refer to extremely small or limited quantities. Partial refers to an incomplete amount, while limited suggests that something is bounded within a particular scope.