[koh-in-stuh n-tey-nee-uh s]
- occurring or existing at the same instant; simultaneous.
Origin of coinstantaneous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for coinstantaneous
There is here no first, and no second; both are coinstantaneous and one.Biographia Literaria
Samuel Taylor Coleridge