Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
radiate
Grammar usage guide and real-world examplesUSAGE SUMMARY
The word 'radiate' is correct and usable in written English.
You can use it to describe someone or something that emits light or heat, or to describe a feeling of happiness or contentment. Example sentence: The setting sun radiated a beautiful pink hue over the horizon.
✓ Grammatically correct
News & Media
Encyclopedias
Science
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
Noyce said she had the ability to "radiate light, to radiate energy".
News & Media
He did his duty by Ed Miliband by saying that he expected Labour to win, but it is fair to say that Mr Cook did not exactly radiate confidence that his party is storming to victory.
News & Media
Damning Miliband with porcine satire seems – like the Daily Mail's exposé of his "Britain-hating" Jewish émigré father – to radiate some nasty connotations.
News & Media
Their faces are blank and baffled by the scale of the step they are taking while their bodies radiate the pinched exhaustion of people who have no choice.
News & Media
Tweaking the processor's heat sinks (copper or aluminium boxes designed to radiate heat away) has reached its limit.
News & Media
The idea that everything good should radiate from the top downwards has had the effect of blunting popular pressure for widespread benefits.
News & Media
The better ones radiate a sense of stability.
News & Media
The changing magnetic field would force the electrons to oscillate, too, but would not allow them to radiate heat.
News & Media
Beds are offered inside, but the hosts advise their new friends to join them on blankets on the sand, under the stars, as the haimas still radiate heat at night.Mornings are filled with workshops led by some of Western Sahara's most powerful advocates, including the Spanish lawyers who have brought a case against 11 Moroccan officials, accusing them of genocide.
News & Media
But the 480 high-speed trains (Trains à Grande Vitesse, or TGV) that radiate around France from Paris are struggling to remain in the black.
News & Media
As a piqued Clive Crook put it, writing for Bloomberg View:A line has been crossed when the principal spokesmen for contending opinions have no curiosity whatsoever about their opponents' ideas and radiate cold, steady contempt for each other.
News & Media
Expert writing Tips
Best practice
When describing physical objects, ensure the context clearly indicates what they are radiating (e.g., heat, light).
Common error
Avoid using "radiate" when a simpler verb like "reflect" or "shine" is more appropriate. "Radiate" implies emission, not just bouncing light or sound.
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "radiate" is as a verb, indicating the action of emitting energy or a quality outward. Ludwig's examples showcase its use in describing both physical phenomena (like heat) and intangible attributes (like confidence).
Frequent in
News & Media
38%
Encyclopedias
14%
Science
12%
Less common in
Formal & Business
12%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The analysis, incorporating Ludwig AI's assessment that "radiate" is correct and usable, reveals that "radiate" functions primarily as a verb describing the act of emitting something outward. This emission can be literal, such as heat or light, or figurative, such as confidence or negativity. "Radiate" enjoys very common usage across a spectrum of registers, particularly in news media, encyclopedias, and scientific contexts. When using "radiate", be sure to distinguish it from similar terms like "reflect" and ensure the context aligns with the sense of outward emission.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
emit
Focuses specifically on the act of giving off something, often energy or light.
spread
Emphasizes the dispersal or distribution of something over a wider area.
give off
An informal way to say emit.
exude
Implies a strong and obvious display of a quality or feeling.
beam
Suggests the emission of light, often in a focused direction.
shine
Highlights the emission of light with brilliance.
project
Implies sending something outward or displaying it prominently.
express
Focuses on conveying a feeling or thought.
diffuse
Suggests a gradual and even spreading out.
irradiate
Implies exposure to radiation, either literally or metaphorically.
FAQs
How can I use "radiate" in a sentence?
You can use "radiate" to describe something emitting energy, like "The sun "radiates heat"", or to describe a person emitting a feeling, like "She "radiates confidence"".
What are some synonyms for "radiate"?
Is it correct to say someone "radiates negativity"?
Yes, it's grammatically correct. You can use "radiate" to describe the emanation of negative feelings or energy. The sentence "He "radiates negativity"" suggests he is giving off a strong negative vibe.
What is the difference between "radiate" and "reflect"?
"Radiate" means to emit energy or qualities outward, while "reflect" means to bounce back energy or qualities from a surface. The sun "radiates light"; a mirror "reflects light".
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested