When someone is defensive, they are usually trying to protect themselves or their beliefs. They may be angry or hostile, and they may not want to listen to what others have to say.
He became defensive when he was asked to comment on the article.
She became defensive when she was questioned about her qualifications.
noun
excessive sensitivity to criticism
1
The Thiers wall was the last of the defensive walls of Paris.
2
Committees for the Defense of the Revolution.
3
The are the defense department of the Vatican.
4
The call is defensible in theory.
5
The defense denied the accusation.
6
The defense of the coast was essential.
7
The defense then appeals to the umpire.
8
They have the prosecution and the defense.
9
Bhulabhai was the leading counsel for the defense.
10
Ineptitude is a defense against the charge.