Explanation
A phraseological unit is a multiword expression whose form and meaning are relatively fixed and conventional within a community. Its overall meaning may be figurative and not computable from individual words, but it may also be a preferred collocation or pragmatic routine. Speakers retrieve a recognisable unit rather than assembling it freely, although it can still be inflected, updated, and playfully disrupted. Phraseological units preserve cultural images and traces of social use; for that reason they age, move between registers, and create difficulties in translation. The concept reveals how repeated use binds separate words into a shared pattern of linguistic action.
Movement of thought
1. Several words first recur together in similar situations and in a preferred ordering. 2. Communal use stabilises their connection and deposits a recognisable overall meaning or function. 3. Speakers retrieve the unit, vary it within limits, and activate traces of its cultural history of use. 4. A counter-test examines fixedness, idiomaticity, and actual conventionalisation against a merely accidental sequence. 5. The group returns as a stored yet mobile pattern connecting individual discourse with collective memory.
Scientific use case
Phraseology and corpus linguistics can measure co-occurrence, fixedness, variation, register, and diachronic change. Translation research can test whether image, communicative function, or cultural marking is preserved by a target expression.
Example
The expression “pick up the thread” can mean resuming an earlier idea in discussion; a writer changes it to “reweave the lost thread”, exposing and renewing the stored pattern.
Counterexample
The phrase “a new blue notebook” is intelligible in one sentence but freely composed and readily replaceable. Without demonstrable fixedness or conventional function, it is not a phraseological unit.
Distinction
Distinguish phraseological units from free phrases, proverbs, collocations, idioms, and routine formulae. The term covers the broader field; idiomaticity and sentence status vary across subtypes.
Effect on thought and perception
Phraseological units compress experience and make discourse idiomatic and memorable, while unfamiliar or fossilised expressions can impede understanding and mark social belonging.
Resonance
Many earlier uses sound within a fixed expression; each new utterance enters that linguistic current and may slightly alter its direction.
Etymology
Technical core term; individual etymological review pending
Provenance
Unresolved relation network → core-concept review → Metzler/HWRh cross-check → ATLAS 238
Cite this entry
Reich, Michael (Hrsg./ed.): „Phraseological unit“. Atlas der Sprache, AT-CORE-238-020. ATLAS 260, data model 1.6.0. https://atlasoflanguage.com/concept/AT-CORE-238-020The address remains stable; editorial content may evolve. Editorial reading state: 2026-10-15. Include your access date for precise references.
Historical background
In the Cours, the contrast between a shared language system and individual speech encounters a complication in ready-made expressions. These combinations are not recreated from nothing whenever somebody uses them. Their conventional organisation belongs to what speakers inherit. At the same time, productive patterns can support combinations not previously memorised as wholes. The text acknowledges that the boundary is not always sharply drawable. This is a historical point of entry for the phraseological unit, but not a complete phraseological classification or evidence for the English technical expression’s first use. Its importance for the Atlas lies in resisting a false choice between isolated dictionary words and wholly free sentences. Some meaningful resources occupy an intermediate scale. A useful profile must consequently ask about relative fixedness, permitted variation and conventional interpretation rather than treat every recurrent sequence as an indivisible item. Later work can refine the diagnostics, while this 1916 witness documents why the intermediate category became a substantive theoretical problem.
How conceptual history changes the analysis
Phraseological fixedness can be gradual without reducing the unit to an indivisible block.
References for the historical section
- Ferdinand de Saussure, Cours de linguistique générale (1916), edited by Charles Bally and Albert Sechehaye with Albert Riedlinger; French text in the 1971 Payot printing, Wikisource transcription · Second Part, Chapter V, §2: locutions toutes faites and the boundary of langue/parole
The original editorial preface and named French sections were read. The Cours is a posthumous editorial reconstruction from lectures, not Saussure’s completed manuscript. Later prefatory material is not treated as a 1916 witness. No English first-attestation claim; no full collation of the transcription with the first edition.