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
long underwear
Grammar usage guide and real-world examplesUSAGE SUMMARY
"long underwear" is a correct and usable phrase in written English.
You can use it when referring to a type of underwear covering the legs that extends to the mid-thigh or lower. For example: "I wore my long underwear to keep warm on the ski slopes."
✓ Grammatically correct
News & Media
Academia
Wiki
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
Long underwear.
News & Media
The waitresses wore long underwear.
News & Media
First comes the polypropylene long underwear.
News & Media
(Denial and long underwear help, too).
News & Media
Maybe the long underwear was too much.
News & Media
Use long underwear or other close-fitting pajamas.
Academia
My packing list included long underwear and malaria medicine.
News & Media
Sometimes, the teen-agers wear long underwear underneath.
News & Media
The elders wanted the dancers to wear long underwear.
News & Media
And long underwear that wicks away moisture should fit snugly.
News & Media
Even if you aren't wearing your long underwear.
News & Media
Expert writing Tips
Best practice
When layering for cold weather activities, start with a moisture-wicking base layer like "long underwear" to stay dry and comfortable.
Common error
Avoid wearing excessively thick "long underwear" in moderately cold conditions; it can lead to sweating and subsequent chills.
Source & Trust
86%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "long underwear" functions as a noun phrase, typically used as a direct object, subject, or part of a prepositional phrase. It denotes a specific type of underclothing designed for warmth in cold weather. Ludwig AI confirms its proper usage and meaning.
Frequent in
News & Media
67%
Wiki
18%
Academia
8%
Less common in
Science
4%
Formal & Business
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "long underwear" is a common and grammatically correct noun phrase referring to thermal underclothing designed for warmth. Ludwig AI confirms this. It is most frequently used in News & Media contexts, as well as in Wiki contexts, with a neutral register suitable for both formal and informal communication. Related phrases include "thermal underwear", "base layer clothing", and "long johns". When using "long underwear", it's best to layer appropriately to avoid overheating. This guide offers insights into its proper usage and alternatives.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
long johns
A synonym for "long underwear", specifically referring to a one-piece garment.
union suit
Another term for a one-piece "long underwear" garment.
thermal underwear
Refers to underwear designed to provide insulation against the cold, similar to "long underwear".
insulated underwear
Highlights the insulation property of the underwear, similar to the purpose of "long underwear".
thermal base layer
Combines the concepts of thermal insulation and base layer function, similar to "long underwear".
cold-weather base layer
Specifies that the base layer is designed for cold weather, aligning with the typical use of "long underwear".
base layer clothing
Describes clothing worn closest to the skin to regulate temperature and wick away moisture, a function also served by "long underwear".
fleece base layer
Specifies the material as fleece, offering an alternative material to describe similar garments as "long underwear".
winter undergarments
General term for undergarments worn during winter to provide warmth, including "long underwear".
performance base layer
Describes its function as a high-performance garment, although "long underwear" is often more simple and less technical.
FAQs
How to use "long underwear" in a sentence?
You can say, "I wore my "long underwear" under my ski pants to stay warm."
What are the different types of "long underwear"?
Different materials are used for "long underwear", including merino wool, synthetic fabrics, and silk, each offering varying levels of warmth, moisture-wicking, and comfort.
What can I say instead of "long underwear"?
Alternatives include "thermal underwear", "base layer clothing", or "long johns" depending on the specific style and context.
Is "long underwear" only for winter?
While primarily used in winter, lightweight "long underwear" made from moisture-wicking fabrics can also be worn in other seasons for activities like hiking or camping in cooler climates.
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
86%
Authority and reliability
4.6/5
Expert rating
Real-world application tested