The word "dwindlings" means a gradual decline or reduction in size, intensity, or importance. Its antonyms are growth, increase, augmentation, expansion, rise, and development. An increase signifies the opposite of dwindlings, which is a growth or improvement in a particular area. Augmentation refers to a significant rise in capacity, extent, or quantity. Expansion implies an increase in the scope, size, or extent of something. Rise denotes an upward movement or an elevation in status, value, or quality. Development refers to the process of growth, progress, and evolution towards a better state or condition. All these antonyms suggest expansion, growth, and improvement as opposed to dwindlings.