The opposite of "more infecund" is "more fertile". The term "infecund" refers to a lack of ability to produce offspring or fruits, while "fertile" means rich in producing growth and abundantly productive. In general, infecundity implies the absence of life, growth, or productivity, while fertility includes the capability to create new life and nurture it. The difference between these two terms is crucial in a wide range of contexts, including agriculture, biology, medicine, and ecology. By contrast, "more fertile" connotes abundance, wealth, productivity, and vitality. In this way, the antonym of "more infecund" offers a distinctly positive, life-affirming alternative.