Propinquity noun 1. nearness in place; proximity. 2. nearness of relation; kinship. 3. affinity of nature; similarity. 4. nearness in time. Examples: Residents tolerate--even welcome--human propinquity. We have no idea what makes them friends other than their social propinquity. Their propinquity is a corroborating point, as is the quotation from the trial transcript. Telecommunications and computers have reduced the importance of geographic propinquity for people. word origin: 1350-1400; Middle English propinquite < Latin propinquitās nearness, equivalent to propinqu (us) near ( prop (e) near (see pro-1) + -inquus adj. suffix) + -itās -ity