The antonyms for the term "search parties" could vary depending on the context. If the term refers to a team that is actively looking for something or someone, then the antonyms could be things like apathy, inaction, lethargy, indifference, or disinterest. In the context of a rescue mission, the antonyms could be things like neglect, abandonment, indifference, or negligence. However, in the context of a casual or social gathering, the antonyms could be things like isolation, solitude, detachment, or reclusion. Ultimately, the antonyms for search parties could vary based on the situation and the frame of reference.