Defense vs Did you think of an alibi

When to use each in English, with meaning, register, and examples.

Defense

Top 1,000 (very common)B2noun

Did you think of an alibi

Beyond 10,000 (less common)
Most common: Defense
 DefenseDid you think of an alibi
Pronunciation🇬🇧 /["/dɪˈfens/"]/🇺🇸 /["/dɪˈfens/","/ˈdiːfens/"]/🇬🇧 //ˈæl.ɪ.baɪ//🇺🇸 //ˈæl.ɪ.baɪ//
MeaningProtection from harm or danger.A reason someone gives to prove they were somewhere else.
ExampleThe defense of the castle was stronger than ever after the recent upgrades.Did you think of an alibi for the night of the incident?
RegisterNeutralNeutral
How commonTop 1,000 (very common)Beyond 10,000 (less common)
CEFR levelB2-
Part of speechnoun
Collocationsmilitary defense, legal defense, strong defense, defense strategy, defense mechanismprovide an alibi, think of an alibi, cast doubt on an alibi
Antonymsattack, offense-
Common mistakesConfused with 'defence' in British English., Used as a verb instead of a noun., Mispronounced as 'dee-fense' instead of 'de-fense'.Confused with 'alibi' vs 'excuse'., Incorrect verb form: 'think in an alibi'., Omitting articles: saying 'think of alibi' instead of 'an alibi'.
Usage notesUsed in legal, sports, and military contexts. Avoid using in casual conversations that don't involve conflict or protection.Used when discussing excuses or proof during investigations. Typically informal but can be neutral depending on context.

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Defense
Did you think of an alibi

Frequently asked questions: Defense vs Did you think of an alibi

What's the difference between Defense and Did you think of an alibi?

Defense: Protection from harm or danger. Did you think of an alibi: A reason someone gives to prove they were somewhere else.

Which is more common: Defense and Did you think of an alibi?

Defense is the most common in everyday English.

Can you show an example of each?

Defense: The defense of the castle was stronger than ever after the recent upgrades. Did you think of an alibi: Did you think of an alibi for the night of the incident?

Can I use Defense and Did you think of an alibi interchangeably?

Not always. Defense and Did you think of an alibi are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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