The phrase "were game for" generally means that someone is willing or eager to participate in something. Antonyms for this phrase, therefore, include words that describe a lack of interest, enthusiasm, or participation. Some antonyms for "were game for" might include "unwilling," "disinclined," "hesitant," "reluctant," or "apathetic." These words all suggest a lack of willingness to engage or participate in something, which stands in direct opposition to the idea of being "game" for it. Additionally, antonyms like "bored," "uninspired," or "indifferent" might suggest a lack of interest or enthusiasm, leading to an unwillingness to participate.