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