Standard Lemma guide

insufficient

adj · det · 5 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.

  • /ɪnsəˈfɪʃənt/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -ɪʃənt
  • CMU ARPABET: IH2 N S AH0 F IH1 SH AH0 N T Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Not sufficient; of a type or kind that does not suffice, that does not satisfy requirements or needs.

Definition source: English Wiktionary via Wiktextract

Examples

  • an insufficient amount
  • an insufficient degree
  • It is a necessary condition but an insufficient one.

Meaning relationships

Synonyms: unsufficient, deficient, lacking

Antonyms: none provided

2

adj

Meaning 2

Not sufficient; lacking competent power or ability; unqualified, unequal, unfit.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: unsufficient

Antonyms: none provided

3

det

Meaning 3

An inadequate quantity of; not enough.

Definition source: English Wiktionary via Wiktextract

Examples

  • Insufficient time is available to reflect on the problem.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

det

Meaning 4

A quantity (of something) that is less than is needed.

Definition source: English Wiktionary via Wiktextract

Examples

  • Insufficient of the building remains to determine its age.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

adjective

Meaning 5

of a quantity not able to fulfill a need or requirement

Definition source: Princeton WordNet 3.0

Examples

  • insufficient funds

Meaning relationships

Synonyms: deficient

Antonyms: sufficient

History

Etymology

From Middle French insufficient, from Latin insufficiens. See also in- + sufficient.

Across languages

Translations

6 source translations are retained for this English entry.

  • Bulgarian: недоста́тъчен (nedostátǎčen) — not sufficient
  • Pohnpeian: souitar — not sufficient
  • Bulgarian: недоста́тъчен (nedostátǎčen) — lacking competent power or ability
  • Bulgarian: него́ден (negóden) — lacking competent power or ability
  • Bulgarian: недоста́тъчно (nedostátǎčno) — an inadequate quantity of
  • Bulgarian: недоста́тъчно (nedostátǎčno) — a quantity that is less than needed
Real reading context

insufficient in complete knowledge articles