There are many synonyms for the word "more overburdening". Some of them include "exhausting", "draining", "taxing", "onerous", "oppressive", "burdensome", "demanding", "challenging", "difficult", and "arduous". These words all describe a situation where there is an increased or additional burden placed on someone or something, causing stress, fatigue, or difficulty in coping with the workload or responsibility. Each of these synonyms captures a slightly different nuance, so the choice of which to use depends on the context and intended meaning. Whether it's an individual, a team, a system, or a community, an overburdening situation can have negative consequences, and finding ways to alleviate or redistribute the load may be necessary for sustainable productivity and well-being.