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Antivirus

UK //ˈæntɪˌvaɪrəs//US //ˈæntɪˌvaɪrəs//

Definition

Software designed to detect and eliminate computer viruses.

In simple words: A program that protects computers from viruses.

Examples

I installed a new antivirus to protect my computer from malware.
Make sure your antivirus is updated to defend against recent threats.
Some free antivirus programs might not offer full protection.
The antivirus alerted me about a potential threat on my system.
Always scan your files with an antivirus before opening them.

Usage notes

Commonly used in tech contexts. Appropriate in everyday conversations and professional settings about computer safety. Avoid slang.

Grammar pattern

used + with/without + object

Memory hint

Think of 'anti' as in 'against' and 'virus' like a computer illness.

Collocations

install antivirus
update antivirus
run antivirus scan
antivirus software
antivirus protection

Synonyms

malware protection
security software
virus scanner
antispyware
antimalware

Common mistakes

Confusing antivirus with 'anti-virus' which implies a different grammatical structure.
Using antivirus as a verb when it is actually a noun.