Infect vs Transmit

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

Infect

Top 2,000 (common)C1verb

Transmit

Top 2,000 (common)B2verb
 InfectTransmit
Pronunciation🇬🇧 /["/ɪnˈfekt/","/ɪnˈfekts/","/ɪnˈfektɪd/","/ɪnˈfektɪŋ/"]/🇺🇸 /["/ɪnˈfekt/","/ɪnˈfekts/","/ɪnˈfektɪd/","/ɪnˈfektɪŋ/"]/🇬🇧 //trænˈsmɪt//🇺🇸 //trænˈsmɪt//
MeaningTo make someone sick by spreading germs or diseases.To send something from one place to another.
ExampleIt is not possible to infect another person through kissing.The satellite will transmit data back to Earth.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR levelC1B2
Part of speechverbverb
Collocationsinfect a wound, infect someone with a virus, infectious disease, infected by bacteria, infect the environmenttransmit signals, transmit data, transmit information, transmit a message, transmit power
Antonymsheal, cure, preventreceive, detain
Common mistakesConfused with 'affect' — 'infect' means to make sick, while 'affect' relates to influencing something., Using 'infect' with inanimate objects — only living things can be infected., Mixing up 'infect' with 'contaminate' — 'contaminate' often refers to pollution or toxins.Confused with 'transmit' vs 'emit'., Using 'transmit' without an object., Mispronouncing the word.
Usage notesUse 'infect' in medical or health contexts. It’s formal, so avoid it in casual conversations unless discussing illness. Common with diseases or viruses.Commonly used in technical contexts, such as electronics, communication, and medicine. Avoid in casual conversation.

Frequently asked questions: Infect vs Transmit

What's the difference between Infect and Transmit?

Infect: To make someone sick by spreading germs or diseases. Transmit: To send something from one place to another.

Are Infect and Transmit the same CEFR level?

Infect: C1, Transmit: B2 on the CEFR scale.

Can I use Infect and Transmit interchangeably?

Not always. Infect and Transmit 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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