Standard Lemma guide

constraint

noun · 8 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Canada, General-American, Received-Pronunciation: /kənˈstɹeɪnt/
  • Texas: Recorded audio is listed in the source snapshot.
  • Australian, New-Zealand: /kənˈstɹæɪnt/
  • Queensland Recorded audio is listed in the source snapshot.
  • rhymes with -eɪnt
  • CMU ARPABET: K AH0 N S T R EY1 N T Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

Something that constrains; a restriction.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Examples

  • An engineer must recognize the difference between a constraint (to work within) and a problem (to be eliminated via resolution).

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

An irresistible force or compulsion.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Examples

  • They confessed, but only under severe constraint.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

The repression of one's feelings.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

A condition that a solution to an optimization problem must satisfy.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

A linkage or other restriction that maintains database integrity.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: computing, databases, engineering, mathematics, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

the act of constraining; the threat or use of force to control the thoughts or behavior of others

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: restriction, confinement

Narrower terms: swaddling clothes

7

noun

Meaning 7

a device that retards something's motion

Definition source: Princeton WordNet 3.0

Examples

  • the car did not have proper restraints fitted

Meaning relationships

Synonyms: restraint

Antonyms: none provided

Broader terms: device

Narrower terms: air bag, airbrake, dive brake, arrester, arrester hook, band, brake, brake pad, brake shoe, shoe, skid, catch, stop, chain, fastener, fastening, holdfast, fixing, gag, muzzle, leash, tether, lead, lock, ignition lock, safety belt, life belt, safety harness, sea anchor, drogue, shackle, bond, hamper, trammel

8

noun

Meaning 8

the state of being physically constrained

Definition source: Princeton WordNet 3.0

Examples

  • dogs should be kept under restraint

Meaning relationships

Synonyms: restraint

Antonyms: none provided

Broader terms: confinement

Narrower terms: cage

History

Etymology

From Middle English constreynt, constreynte, from Old French constreinte, past participle of constreindre (“to constrain”), from Latin cōnstringō (corresponding to the past participle cōnstrictus).

Across languages

Translations

63 source translations are retained for this English entry.

  • Albanian: fre — something that constrains
  • Arabic: متطلب — something that constrains
  • Bulgarian: принуда (prinuda) — something that constrains
  • Catalan: restricció — something that constrains
  • Chinese Mandarin: 約束 /约束 (yuēshù) — something that constrains
  • Dutch: beperking — something that constrains
  • Dutch: inperking — something that constrains
  • Dutch: begrenzing — something that constrains
  • Finnish: rajoitus — something that constrains
  • Finnish: raja — something that constrains
  • Finnish: rajoite — something that constrains
  • French: contrainte — something that constrains
  • Galician: restrición — something that constrains
  • German: Einschränkung — something that constrains
  • German: Beschränkung — something that constrains
  • German: Restriktion — something that constrains
  • German: Zwang — something that constrains
  • German: Hemmnis — something that constrains
  • German: Auflage — something that constrains
  • German: Bedingung — something that constrains
  • German: Nötigung — something that constrains
  • German: Befangenheit — something that constrains
  • German: Verlegenheit — something that constrains
  • German: Geziertheit — something that constrains
  • German: Zurückhaltung — something that constrains
  • German: Randbedingung — something that constrains
  • German: Nebenbedingung — something that constrains
  • Greek: περιορισμός (periorismós) — something that constrains
  • Icelandic: ófrelsi — something that constrains
  • Italian: vincolo — something that constrains
  • Italian: costrizione — something that constrains
  • Japanese: 束縛 (sokubaku) — something that constrains
  • Malay: kekangan — something that constrains
  • Norwegian Bokmål: begrensning — something that constrains
  • Polish: ograniczenie — something that constrains
  • Polish: przymus — something that constrains
  • Portuguese: coação — something that constrains
  • Portuguese: compulsão — something that constrains
  • Romanian: constrângere — something that constrains
  • Romanian: obligație — something that constrains
  • Russian: ограниче́ние (ograničénije) — something that constrains
  • Scottish Gaelic: èiginn — something that constrains
  • Serbo-Croatian: ograničénje — something that constrains
  • Serbo-Croatian: усиљеност — something that constrains
  • Serbo-Croatian: ograničénje — something that constrains
  • Serbo-Croatian: usiljenost — something that constrains
  • Turkish: kısıtlama — something that constrains
  • Turkish: sınırlama — something that constrains
  • Turkish: tahdit — something that constrains
  • Ottoman Turkish: باصقی (baskı) — something that constrains
  • Ukrainian: обме́ження (obméžennja) — something that constrains
  • Dutch: beperking — mathematics: condition to a solution
  • Dutch: randvoorwaarde — mathematics: condition to a solution
  • Finnish: ehto — mathematics: condition to a solution
  • French: contrainte — mathematics: condition to a solution
  • German: Zwangsbedingung — mathematics: condition to a solution
  • Hindi: व्यवरोध (vyavrodh) — mathematics: condition to a solution
  • Italian: vincolo — mathematics: condition to a solution
  • Norwegian Bokmål: beskrankning — mathematics: condition to a solution
  • Polish: ograniczenie — mathematics: condition to a solution
  • Polish: warunek — mathematics: condition to a solution
  • Portuguese: restrição — mathematics: condition to a solution
  • Russian: ограниче́ние (ograničénije) — mathematics: condition to a solution
Real reading context

constraint in complete knowledge articles