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Confusing words explained

“defence” vs “defense” — What’s the Difference?

'Defense' (American) vs 'defence' (British) same meaning.

Key takeaway

Quick Difference: defence vs defense

'Defense' (American) vs 'defence' (British) same meaning.

defence /dɪˈfens/ defense /dɪˈfens/

defence vs defense Side-by-Side Comparison

Meaning of defence

Noun B1 Neutral
Meaning

Protection against attack or threat; legal representation opposing a claim.

Short definition

Protection or shield against something harmful; the team protecting in sports.

Rule of thumb

Use in British English for protection, law, or sports contexts.

Examples
  • The castle has strong walls for defence. A2 daily
  • The lawyer presented a strong defence in court. B1 formal

Meaning of defense

Noun A2 Neutral
Meaning

Protection or action taken to protect someone or something from harm or attack

Short definition

The act of protecting yourself or something from being hurt or attacked. It can be physical protection or explaining why you did something.

Rule of thumb

In legal contexts, 'defense' refers to an accused person's case

Examples
  • The castle had strong defense walls. A2 daily
  • He offered a defense of his argument in the debate. B1 academic

Usage Notes & Nuance

defense: American English spelling; British English uses 'defence'

How to Remember the Difference

Defence with C is British; defense with S is American (CC for Commonwealth, SS for States).

Common Mistakes with defence and defense

Mistake with defence

Correct: Use 'defence' in British English; 'defense' is American.

Mistake with defence

Correct: Defence is the noun; defend is the verb.

Mistake with defense

Correct: defense (American) or defence (British)

Mistake with defense

Correct: in defense of

Practice Quiz: defence or defense?

Choose the word that best completes each real example sentence.

Question 1

The castle has strong walls for _____.

Question 2

The lawyer presented a strong _____ in court.

Question 3

Good _____ is important in football.

Pick at least one answer, then press Check answers to see how you did.

Frequently Asked Questions About defence vs defense

What’s the difference between “defence” and “defense”?

'Defense' (American) vs 'defence' (British) same meaning.

When should I use “defence”?

Use in British English for protection, law, or sports contexts.

When should I use “defense”?

In legal contexts, 'defense' refers to an accused person's case

How can I remember defence vs defense?

Defence with C is British; defense with S is American (CC for Commonwealth, SS for States).

Is it “defence” or “defense” in example sentences?

Use the quiz above to test the pair with real example sentences from the available word data.

Explore defence and defense Individually