Superabound is a verb that means to be abundant or plentiful beyond measure. However, not everything in life can be superabundant as there are always opposite ends of the spectrum. Hence, some antonyms of superabound include scarcity, shortage, deficiency, and insufficiency. Scarcity refers to the state of being in short supply or insufficient to fulfill a demand. Shortage, on the other hand, refers to a lack of an adequate amount of something. Deficiency is another antonym for superabounds, which means a shortage or insufficiency in a certain aspect. Insufficiency is the opposite of superabound, which means to be insufficient, inadequate, or deficient in quantity or quality.