defense · noun /dəˈfens/Full view
Nouns: defense, defendant, defender, defensive, defenselessness
Adjectives: defenseless, defensible, indefensible, defensive
Verbs: defend
Adverbs: defensively
defense (PROTECTION)
B1 C or U protection or support against attack, criticism or infection
Dictionary examples:

When Helen criticized me, Chris came/rushed to my defense.

She argued strongly in defense of her actions.

A good diet helps build the body's natural defenses.

Learner example:

I exploded and made quite a speech in defense of reading. (First Certificate in English; B2; Portugese)

defense (SPORTS)
B1 C or U the part of a sports team which tries to prevent the other team from scoring points
Dictionary example:

I'm best playing defense.

Learner example:

They said that I'm good at defense and they want that I be in reserve [for] the competition. (Preliminary English Test; B1; Chinese)

defense (MILITARY)
C1 U the weapons and military forces that a country uses to protect itself against attack
Dictionary examples:

Spending on defense / Defense spending is increasing.

the defense industry

Learner example:

The majority of the government's expenditure went to other things apart from defense, education and health. (International English Language Testing System; C1; English)

the defense
C2 the person or people in a court who are accused of doing a crime, and their lawyer
Dictionary examples:

He was cross-examined by the defense.

a lawyer for the defense / a defense lawyer

Learner example:

He tried to explain that the counsel for the defen[s]e was one of the best old hands in the country but they did not [even] pretend to listen to him. (Certificate of Proficiency in English; C2; Polish)

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