defence

American  

[dih-fens] / dɪˈfɛns /

noun

defenced, defencing

1. British. variant of defense.

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defence British  

/ dɪˈfɛns /

noun

1. resistance against danger, attack, or harm; protection

2. a person or thing that provides such resistance

3. a plea, essay, speech, etc, in support of something; vindication; justification

4. 1. a country's military measures or resources

   2. ( as modifier )

      defence spending

5. law a defendant's denial of the truth of the allegations or charge against him

6. law the defendant and his legal advisers collectively Compare prosecution

7. sport

   1. the action of protecting oneself, one's goal, or one's allotted part of the playing area against an opponent's attacks

   2. the method of doing this

   3. the players in a team whose function is to do this

8. American football (usually preceded by the)

   1. the team that does not have possession of the ball

   2. the members of a team that play in such circumstances

9. psychoanal See defence mechanism

10. (plural) fortifications

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Other Word Forms

• defenceable adjective
• defenceless adjective
• defencelessly adverb
• defencelessness noun
• predefence noun

Etymology

Origin of defence

C13: from Old French, from Late Latin dēfensum, past participle of dēfendere to _defend

Compare meaning

How does defence compare to similar and commonly confused words? Explore the most common comparisons:

• offence vs. defence

Example Sentences

"We don't expect private air defence to solve all our problems," he conceded.

From Barron's • Apr. 9, 2026

Hugo Ekitike, Dominik Szoboszlai and Florian Wirtz formed a narrow line between PSG's defence and midfield.

From BBC • Apr. 9, 2026

The statement, from Major General Michael Onoja, a defence headquarters spokesman, said that the attack "resulted in the loss of a few brave and gallant soldiers", without disclosing a toll or who was killed.

From Barron's • Apr. 9, 2026

South West Devon Conservative MP Rebecca Smith welcomed the funding, but warned that businesses in Plymouth's marine autonomy sector might "pick up and leave" without regulation changes and a defence investment plan.

From BBC • Apr. 8, 2026

He seems to have recognized by noon that he was faced by a new kind of warfare, which required a new defence.

From "The Once and Future King" by T. H. White