Definition, synonyms and related words
Initialism of diversity, equity and inclusion.
"The university now requires all departments to submit their DEI action plans by the end of the semester."
In plain English: DEI stands for diversity, equity, and inclusion, which are efforts to make sure everyone is treated fairly and has equal opportunities regardless of their background.
"The dei stood in rows across the temple floor, each carved from white marble and topped with a golden crown."