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