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
phraseological unit
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "phraseological unit" is correct and usable in written English.
It is typically used in linguistics to refer to a fixed expression or a group of words that have a specific meaning together. Example: "In studying idioms, we often analyze the phraseological unit 'kick the bucket' to understand its figurative meaning."
✓ Grammatically correct
Science
News & Media
Encyclopedias
Wiki
Formal & Business
Academia
Alternative expressions(3)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
Students are unaware of the conventionalised use of phraseological patterns involving we to perform specific functions in academic genres.
Field goal unit on.
News & Media
Spokesperson's unit".
News & Media
Sone, unit of loudness.
Encyclopedias
The unit, Nos.
News & Media
The unit feels cosy.
News & Media
Brighton-Atlantic Unit #.
News & Media
Just a naked unit!
News & Media
GPS UNIT Lose it.
News & Media
What unit?" "Special Forces".
News & Media
Hertz, unit of frequency.
Encyclopedias
Expert writing Tips
Best practice
When writing academically, use "phraseological unit" to refer to fixed expressions or groups of words with specific meanings. This term is particularly relevant in linguistics and corpus studies.
Common error
Avoid using "phraseological unit" as a general term for any phrase. It specifically refers to fixed, conventionalized expressions with a distinct meaning or function.
Source & Trust
82%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The term "phraseological unit" primarily functions as a noun phrase. It serves to identify and categorize specific types of multi-word expressions with fixed meanings. Ludwig indicates that it is a valid term for linguistic analysis.
Frequent in
Science
30%
Academia
25%
News & Media
15%
Less common in
Encyclopedias
10%
Wiki
10%
Formal & Business
10%
Ludwig's WRAP-UP
The term "phraseological unit" refers to a fixed expression or a group of words that functions as a single unit of meaning, commonly used in linguistics and corpus analysis. Ludwig confirms its grammatical correctness. It is mostly found in scientific and academic contexts. Related terms include "fixed expression", "idiomatic expression", and "lexical item". When using this term, remember it refers to specific, conventionalized expressions, not just any phrase. Overall, while not overly common, it's an accurate expression in specific contexts.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
phraseologism
A synonym for phraseological unit, though less common.
fixed expression
Focuses on the fixed nature of the expression.
idiomatic expression
Highlights the idiomatic quality of the unit.
lexical item
Broader term referring to a single word or group of words that function as a unit.
multi-word expression
Emphasizes that the unit consists of multiple words.
formulaic sequence
Highlights the patterned and predictable nature of the sequence.
conventional phrase
Focuses on the established and accepted use of the phrase.
set phrase
Emphasizes the fixed and unchanging nature of the phrase.
collocation
Refers to words that frequently appear together.
lexical bundle
Highlights the co-occurrence of words in a specific context.
FAQs
What is a "phraseological unit"?
A "phraseological unit" is a fixed expression or group of words that functions as a single unit of meaning. These units are often studied in linguistics and corpus analysis.
How does a "phraseological unit" differ from a regular phrase?
While a regular phrase is simply a group of words, a "phraseological unit" is a conventionalized expression with a meaning that may not be immediately obvious from its component words. Consider using "idiomatic expression" as alternative.
In what contexts is the term "phraseological unit" typically used?
The term "phraseological unit" is commonly used in academic writing, particularly in the fields of linguistics, corpus linguistics, and language teaching. It is very used with "lexical item".
What are some examples of "phraseological units"?
Examples of "phraseological units" include idioms like "kick the bucket", collocations like "strong coffee", and other fixed expressions that have a specific meaning as a whole. An alternative can be "fixed expression".
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
82%
Authority and reliability
4.3/5
Expert rating
Real-world application tested