Sign vs Signal

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

Sign

Top 1,000 (very common)A2noun

Signal

Top 1,000 (very common)B1noun
 SignSignal
Pronunciation🇬🇧 /["/saɪn/"]/🇺🇸 /["/saɪn/"]/🇬🇧 /["/ˈsɪɡnəl/"]/🇺🇸 /["/ˈsɪɡnəl/"]/
MeaningA symbol or action that shows something or gives information.A sign or message that tells someone something.
ExamplePlease follow the sign to reach the train station.The radio signal was weak, making it difficult to hear the news.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelA2B1
Part of speechnounnoun
Collocationsclassic, clear, definite, bear, have, betray, appear, come, indicate something, at a/​the sign, sign from, sign of, sign of life, a sign of the times, a sign of things to come, flashing, illuminated, neon, erect, hang, hang out, read something, announce something, proclaim something, sign for, sign to, rude, peace, thumbs-up, give (somebody), make, communicate through, language, system, sign for, make the sign of the cross, dollar, euro, pound, draw, use, mean something, sign for, birth, star, astrological, be born under, sign of, the signs of the Zodiacclear, unmistakable, agreed, give (somebody), make, send, come from something, indicate something, at a signal, on a signal, signal for, railroad, railway, traffic, operate, be on red/​green, be red/​green, fail, box, failure, faint, weak, strong, carry, pass, relay, travel, fade, intensity, strength, signal from, signal to, clear, unmistakable, agreed, give (somebody), make, send, come from something, indicate something, at a signal, on a signal, signal for
Antonymsignore, disregardnoise, silence
Common mistakesConfused with 'sine' in mathematical contexts., Using 'sign' as a verb incorrectly, e.g., 'I will sign that paper' without indicating what or who to sign., Misusing 'sign' for 'symbol' when differentiating context.Confused with 'sign' — remember 'signal' is an act of sending a message., Using the wrong preposition, e.g., 'signal to' instead of 'signal for'., Mispronunciation, often saying 'sig-nal' instead of 'sig-nuhl'.
Usage notesUsed in various contexts like directing people, indicating information, or marking something. More formal in legal contexts, and informal in everyday signage.Commonly used in both formal and informal contexts. In technical settings, it may refer to electromagnetic signals or communication. Avoid in very casual conversations.

See it in real clips

Signal

Frequently asked questions: Sign vs Signal

What's the difference between Sign and Signal?

Sign: A symbol or action that shows something or gives information. Signal: A sign or message that tells someone something.

Which is more advanced: Sign and Signal?

Signal is the highest level, at B1, on the CEFR scale.

Are Sign and Signal the same CEFR level?

Sign: A2, Signal: B1 on the CEFR scale.

What part of speech are Sign and Signal?

Sign: noun, Signal: noun.

Can you show an example of each?

Sign: Please follow the sign to reach the train station. Signal: The radio signal was weak, making it difficult to hear the news.

Can I use Sign and Signal interchangeably?

Not always. Sign and Signal 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.

Related comparisons