Infect vs Pollute vs Spread vs Transmit

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

Infect

Top 2,000 (common)C1verb

Pollute

Top 2,000 (common)B1verb

Spread

Top 1,000 (very common)B1verb

Transmit

Top 2,000 (common)B2verb
Most common: Spread
 InfectPolluteSpreadTransmit
Pronunciation🇬🇧 /["/ɪnˈfekt/","/ɪnˈfekts/","/ɪnˈfektɪd/","/ɪnˈfektɪŋ/"]/🇺🇸 /["/ɪnˈfekt/","/ɪnˈfekts/","/ɪnˈfektɪd/","/ɪnˈfektɪŋ/"]/🇬🇧 //pəˈluːt//🇺🇸 //pəˈluːt//🇬🇧 /["/spred/","/spredz/","/ˈspredɪŋ/"]/🇺🇸 /["/spred/","/spredz/","/ˈspredɪŋ/"]/🇬🇧 //trænˈsmɪt//🇺🇸 //trænˈsmɪt//
MeaningTo make someone sick by spreading germs or diseases.To make something dirty or harmful.To open something wide or make it cover a large area.To send something from one place to another.
ExampleIt is not possible to infect another person through kissing.Factories frequently pollute the air with harmful emissions.She decided to spread the butter evenly on her toast.The satellite will transmit data back to Earth.
RegisterNeutralNeutralNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)Top 1,000 (very common)Top 2,000 (common)
CEFR levelC1B1B1B2
Part of speechverbverbverbverb
Collocationsinfect a wound, infect someone with a virus, infectious disease, infected by bacteria, infect the environmentpollute the environment, pollute the air, pollute the waterfast, like wildfire, quickly, (all) across, among, around, be thinly spread, spread yourself too thin, fast, like wildfire, quickly, (all) across, among, around, be thinly spread, spread yourself too thin, fast, like wildfire, quickly, (all) across, among, around, be thinly spread, spread yourself too thin, thickly, lightly, thinly, on, with, carefully, out, across, on, over, spread something open, spread your arms, legs, etc. out wide, spread your arms, legs, etc. wide, carefully, out, across, on, over, spread something open, spread your arms, legs, etc. out wide, spread your arms, legs, etc. wide, carefully, out, across, on, over, spread something open, spread your arms, legs, etc. out wide, spread your arms, legs, etc. wide, equally, evenly, uniformly, try to, among, between, overtransmit signals, transmit data, transmit information, transmit a message, transmit power
Antonymsheal, cure, preventpurify, cleanconceal, gather, compressreceive, 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 'contaminate' - pollution is broader than just contamination., Incorrect verb form - using 'pollution' instead of 'pollute' as a verb.Confused with 'spred' as a past tense; the correct past is 'spread'., Misused with 'spreading out' when describing thoughts instead of physical spreading., Omitting the object; remember to include what is being spread.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.Use in contexts related to environmental harm. Common in discussions about air, water, and land contamination. Generally used in formal contexts when discussing laws or regulations.Use 'spread' when talking about applying something, like a sandwich spread or an idea. It's neutral and suitable for all contexts, but avoid using it too informally when discussing significant topics.Commonly used in technical contexts, such as electronics, communication, and medicine. Avoid in casual conversation.

See it in real clips

Spread
Transmit

Frequently asked questions: Infect vs Pollute vs Spread vs Transmit

What's the difference between Infect, Pollute, Spread, and Transmit?

Infect: To make someone sick by spreading germs or diseases. Pollute: To make something dirty or harmful. Spread: To open something wide or make it cover a large area. Transmit: To send something from one place to another.

Which is more common: Infect, Pollute, Spread, and Transmit?

Spread is the most common in everyday English.

Which is more advanced: Infect, Pollute, Spread, and Transmit?

Infect is the highest level, at C1, on the CEFR scale.

Are Infect, Pollute, Spread, and Transmit the same CEFR level?

Infect: C1, Pollute: B1, Spread: B1, Transmit: B2 on the CEFR scale.

What part of speech are Infect, Pollute, Spread, and Transmit?

Infect: verb, Pollute: verb, Spread: verb, Transmit: verb.

Can you show an example of each?

Infect: It is not possible to infect another person through kissing. Pollute: Factories frequently pollute the air with harmful emissions. Spread: She decided to spread the butter evenly on her toast. Transmit: The satellite will transmit data back to Earth.

Can I use Infect, Pollute, Spread, and Transmit interchangeably?

Not always. Infect, Pollute, Spread, 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.