insufficient.
An inadequate quantity of; not enough.
Meaning & usage
An inadequate quantity of; not enough.
Insufficient time is available to reflect on the problem.
A quantity (of something) that is less than is needed.
Insufficient of the building remains to determine its age.
Where this word comes from
From Middle French insufficient, from Latin insufficiens. See also in- + sufficient.
Not sufficient; of a type or kind that does not suffice, that does not satisfy requirements or needs.
an insufficient amount
an insufficient degree
Not sufficient; lacking competent power or ability; unqualified, unequal, unfit.
Where this word comes from
From Middle French insufficient, from Latin insufficiens. See also in- + sufficient.
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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.