Standard Lemma guide

lock-in

noun · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

A sleepover party, usually held in a public place such as a church or school, in which the participants are not allowed to leave until the next morning.

Definition source: English Wiktionary via Wiktextract

Usage: US

Examples

  • The youth group will have their annual lock-in this weekend.

Meaning relationships

Synonyms: wakeover

Antonyms: none provided

2

noun

Meaning 2

An illegal but widely-tolerated invitation-only gathering in a pub, after the end of licensing hours, to allow regular customers the opportunity to enjoy further drinking time.

Definition source: English Wiktionary via Wiktextract

Usage: Ireland, UK

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A situation in which a business has adopted a certain standard or product from a specific manufacturer and integrated it into their process, thus making it very costly to change to a different standard or supplier.

Definition source: English Wiktionary via Wiktextract

Topics: business

Examples

  • vendor lock-in

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

The situation where an investor cannot trade without incurring an undesirable penalty such as taxation.

Definition source: English Wiktionary via Wiktextract

Topics: business, finance

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Deverbal from lock in.

Across languages

Translations

2 source translations are retained for this English entry.

  • Polish: umowa o wyłączności — a situation in which members of an industry
  • Swedish: inlåsning — a situation in which members of an industry