In a way that occurs or exists together with something else at the same time.
Derived from concomitant (adjective) by adding the -ly adverbial suffix, maintaining the sense of 'accompanying' while creating an adverb form describing the manner of concurrent occurrence.
When you use 'concomitantly,' you're saying things happened together, but it's fancier than 'at the same time'—lawyers and scientists love this word because it sounds precise and technical.
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