Question

antonym of retrogression​

Answer 1

$\huge \ \dag \underbrace \mathfrak \red{Answer} \dag$

advance, progress, improvement, amelioration.

hope it helps

Answer 2

Answer:

Heyy mate. Here is your answer

Explanation:

Retrogression means Decreasing or diminished

So it's Antonym will be Increasing or enlarged

Hope it's help you