The antonyms for "more participating" revolve around being less involved or actively engaged in something. Some possible antonyms include disinterested, uninvolved, indifferent, passive, detached, apathetic, unresponsive, aloof, uncommitted, and reserved. These antonyms highlight the opposite of being enthusiastic, collaborative, and interactive, indicating a lack of interest or willingness to engage with others. Overall, while "more participating" implies a high level of involvement and contribution, its antonyms depict a lack of engagement and participation, highlighting the importance of active participation and collaboration in various contexts.