Antonyms of noun participation

1 of 2 senses of participation

Sense 1
engagement, participation, involvement, involution -- (the act of sharing in the activities of a group; "the teacher tried to increase his students' engagement in class activities")
       Antonym of nonparticipation (Sense 1)
      => non-engagement, nonparticipation, non-involvement -- (withdrawing from the activities of a group)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun participation

2 senses of participation

Sense 1
engagement, participation, involvement, involution -- (the act of sharing in the activities of a group; "the teacher tried to increase his students' engagement in class activities")
       => group action -- (action taken by a group of people)

Sense 2
participation, involvement -- (the condition of sharing in common with others (as fellows or partners etc.))
       => condition, status -- (a state at a particular time; "a condition (or state) of disrepair"; "the current status of the arms negotiations")