TIMID

A. Fast

B. Slow

C. Medium

D. Shy

Answer: Option D

Solution(By Examveda Team)

Fast : moving or capable of moving at high speed.
Slow : moving or operating, or designed to do so, only at a low speed
Medium : an agency or means of doing something.
Shy : nervous or timid in the company of other people.
Timid : showing a lack of courage or confidence.


Synonym of Timid is Shy