Antonyms for the term "cross-pollinate" include words such as isolate, separate, segregate, and insulate. These terms signify a lack of interaction or communication between different individuals or groups, resulting in a lack of cross-fertilization of ideas. Isolation and insulating practices often lead to a lack of innovation and growth as there is limited interaction between people, groups or ideas. Separation and segregation are equally undesirable as they promote discrimination and division, which can be detrimental to society. Therefore, it is important to strive for cross-pollination, collaboration, and interaction to foster creativity, inclusiveness, and growth in individual and collective efforts.