A. voluptuous
B. slender
C. valuable
D. worthless
Nugatory : of no value or importance.
Voluptuous : (of a woman) curvaceous and sexually attractive.
Slender : (of a person or part of the body) gracefully thin.
Valuable : extremely useful or important.
Worthless : having no real value or use.
Antonym of Nugatory is Valuable