adj.被动防守的，防御的,
Merriam-Webster Online Dictionary
defensive (adjective)1.
serving to or protect - defend defensive fortifications
2.
a) devoted to resisting or preventing aggression or attack - defensive behavior
b) of or relating to the attempt to keep an opponent from scoring in a game or contest - a player with good defensive skills
3.
a) valuable in defensive play - a defensive card in bridge
b) designed to keep an opponent from being the highest bidder - a defensive bid
a defensive position
Merriam-Webster Online Thesaurus
defensive (adjective)intended to resist or prevent attack or aggression
SYNONYMS:
protective, self-protectiveRELATED WORDS:
deterrent, preventive; safe, secureNEAR ANTONYMS:
aggressive, bellicose, belligerent, combative, contentious, in-your-face, militant, pugnacious, quarrelsome, scrappy, truculent, warlikea position of readiness to oppose actual or expected attack
SYNONYMS:
guardRELATED WORDS:
alert, lookout, qui vive, watch