constraint.
Something that constrains; a restriction.
Meaning & usage
Something that constrains; a restriction.
An engineer must recognize the difference between a constraint (to work within) and a problem (to be eliminated via resolution).
An irresistible force or compulsion.
They confessed, but only under severe constraint.
The repression of one's feelings.
A condition that a solution to an optimization problem must satisfy.
A linkage or other restriction that maintains database integrity.
Where this word comes from
From Middle English constreynt, constreynte, from Old French constreinte, past participle of constreindre (“to constrain”), from Latin cōnstringō (corresponding to the past participle cōnstrictus).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.