a.

1. 防禦的；保護的；保衛的
   a defensive treaty

   防禦條約

2. 防禦用的，防護用的
   defensive armor

   防護用鎧甲

3. 【心】防禦的，自衛的[（+about）]
   They were very defensive about their party's record on tax reform.

   他們為他們的黨在稅制改革問題上的記錄百般袒護。

n.

1. 守勢，防守狀態[the S]
   put somebody on the defensive

   使某人處於防禦地位

2. 防禦物

adj.

1. used or intended to defend or protect.
   ▸(in sport) relating to or intended as defence.
2. very anxious to challenge or avoid criticism.