The word "censusses" refers to the process of counting and recording population data. The antonyms for this term may include words such as decrease, diminish, lessen, reduce, and shrink. These words suggest a decrease in population, contrary to the act of census, which records an increase. Other antonyms for "censuses" might include words like disperse, scatter, or disband, which all imply a separation of populations or a lack of cohesive data. In general, antonyms for "censuses" tend to describe a lack of unity or coherence in the population being counted, or a decrease in overall numbers.