The word bulkinesses refers to the quality of being large or unwieldy. In contrast, its antonyms include sleekness, slimness, and lightness, which describe the opposite properties of a smooth, slender, and agile appearance. Other antonyms for bulkinesses include delicacy, daintiness, and fragility, which convey a sense of delicate and graceful beauty. Agility, nimbleness, and litheness are additional antonyms for bulkinesses that suggest suppleness, flexibility, and ease of movement. These words are all used to describe objects or individuals that are compact, slim, and streamlined, and are not encumbered by excess weight or size.