Contemporaneous definition, living or occurring during the same period of time; contemporary. English. Synonym Discussion of contemporaneous. 5 synonyms of concurrently from the Merriam-Webster Thesaurus, plus 4 related words, definitions, and antonyms. Look in other contemporaneous works to see whether that idea was common then. Define contemporaneously. Find more ways to say contemporaneous, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. I walked into a networking meeting last night and almost immediately found my expertise on words being sought. Find more ways to say concurrently, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. Same vs Contemporaneously. contemporaneously synonyms, contemporaneously pronunciation, contemporaneously translation, English dictionary definition of contemporaneously. Originating, existing, or happening during the same period of time: the contemporaneous reigns of two monarchs. Contemporaneously vs Simultaneously. Time vs Contemporaneously. Adjective (-) Existing or created in the same period of time. See more. Together vs Contemporaneously. Concurrently: at one and the same time. An attorney approached me and asked the difference between contemporaneously, concurrently and simultaneously.. “You’re the expert,” he said. simultaneous . Concurrently definition, at the same time: All seven projects are running concurrently. 13 synonyms of contemporaneous from the Merriam-Webster Thesaurus, plus 5 related words, definitions, and antonyms. See more. Learn more. Find another word for contemporaneous. Another word for contemporaneous. Contemporaneous definition, living or occurring during the same period of time; contemporary. See more. Contemporaneous definition is - existing, occurring, or originating during the same time. Find another word for concurrently. contemporaneously definition: 1. in a way that happens, is done, or exists at the same time: 2. in a way that happens, is done…. English. Concurrently vs Contemporaneously. adj. Adjective (-) Occurring]] or [[transpire, transpiring at the same time. Another word for concurrently. How to use contemporaneous in a sentence. contemporaneous .