Relation/rɪˈleɪʃn/ Definition 1 of 4Pro Tip 1/2Non-Human Usage Use 'relation' to describe connections between ideas, events, or objects, not just people. The relation between diet and health is widely discussed. Pro Tip 2/2Not Always Positive 'Relation' does not imply a positive or negative connection; it's neutral. The pollution in the city has a direct relation to traffic volume.