so-called

so-called — adjective

1. placed before a noun to indicate that the label or description being used for a

1.adjectiveB2
Definition

placed before a noun to indicate that the label or description being used for a person or thing is probably wrong or undeserved

Example

The so-called 'luxury' apartment had no hot water on the first night.

so-called + noun in scare quotes for irony

A so-called financial expert on television could not explain basic interest rates.

Common collocations
  • so-called + ironic label
  • so-called expert
  • so-called friend
  • so-called professional
Synonyms
  • alleged

    stronger suggestion of wrongdoing or accusation; 'so-called' questions the accuracy of the label, while 'alleged' questions the truth of a claim

  • ostensible

    formal register; describes the apparent reason or purpose that may hide the real one

  • self-styled

    implies the person gave themselves a title or description without outside recognition

Grammar Patterns

so-called + [doubtful/ironic noun phrase]

Usage Note

Always placed directly before a noun. The noun that follows typically carries an ironic or questioning tone — the writer is signalling that the label does not match reality.

Common Mistakes

The manager is so-called strict.
The so-called strict manager never enforces the rules.
'so-called' cannot be used after a verb; it must go immediately before the noun it modifies.
I am a so-called teacher' (when describing yourself).
He is a so-called expert, but he has no qualifications.
'so-called' is usually used to question someone else's label, not your own.

2. placed before a term or expression to show that it is a label used by a particul

2.adjectiveB2
Definition

placed before a term or expression to show that it is a label used by a particular group, and may not be familiar to the listener or reader yet

Example

The textbook introduces 'fractals' — a so-called term for infinitely repeating geometric patterns.

so-called + new term, followed by explanation

In programming forums, 'prompt engineering' is a so-called skill that every recruiter looks for.

Common collocations
  • so-called + unfamiliar term
  • so-called term
  • so-called phrase
  • so-called expression
Synonyms
  • so‑called

    this sense is the neutral counterpart to the disapproving sense 1; in context, the tone is explanatory rather than doubtful

Grammar Patterns

so-called + [unfamiliar term / newly coined word]

Usage Note

Often followed by a comma or dash and an explanatory phrase that defines the unfamiliar term. The term in quotation marks is the new word being introduced.

Common Mistakes

Algorithm' is a so-called term for a set of rules.' (redundant — the explanation already defines it).
Algorithm is a so-called term that computer programmers use.
the sentence should provide useful context about who uses the term.

Word family

Synonym discussion

Sense: adjective/1

All four words question the accuracy of a label, but they differ in tone and context. 'Alleged' carries a legal or accusatory weight — it suggests someone may have done something wrong without proof (e.g. 'the alleged thief'). 'Ostensible' is formal and points to the surface-level reason that may hide a real one (e.g. 'the ostensible purpose of the meeting'). 'Purported' is similar to 'alleged' but slightly more neutral — it just signals that something is claimed to be true (e.g. 'the purported benefits of the diet'). 'Self-styled' applies only to people who give themselves a title without official recognition (e.g. 'a self-styled expert'). 'So-called' is the most versatile and common of the group — you can use it for things, people, ideas, or labels without suggesting legal wrongdoing. For everyday disagreement with a description, 'so-called' is usually the best choice: 'The so-called bargain turned out to cost twice as much.'

allegedostensiblepurportedself-styled

Etymology

Old EnglishMiddle EnglishEnglish

The compound 'so-called' grew out of the phrase 'so called,' meaning 'called or named in that way.' It first appeared as a single hyphenated word in the 1600s, originally in a neutral sense (simply 'known as'). By the 1800s, writers had started using it to express doubt about a label's accuracy, giving rise to the modern disapproving sense. The explanatory sense (introducing a new term) developed alongside the neutral use.