Definitions

1. verb

to fail to adjust or become accustomed to a new or changed situation, environment, or way of life.

“After the move, she found it difficult to unadapt to her new neighborhood.”

2. noun

a person or thing that has not adjusted or become accustomed to a new or changed situation, environment, or way of life.

“The unadapt to the new policy struggled to find a way to adjust.”