deficient

Fetched 2026-10-26 (cache).

Synonyms: deficiency, efficient, perficient, deficit, desipient, deficience, definiens, indeficient, -efficient, deficiente

Antonyms: deficiency, efficient, perficient, deficit, desipient, deficience, definiens, indeficient, -efficient, deficiente

Related words from Datamuse; suggestions, not definitions.

Adjective

1. [[lack|Lacking]] something [[essential]]; ''often construed with'' [[in]].
2. [[insufficient|Insufficient]] or [[inadequate]] in [[amount]].
3. {{label|en|mathematics}} Of a number n, Having the sum of divisors <nowiki>σ(n) < 2n</nowiki>, or, equivalently, the sum of proper divisors (or aliquot sum) <nowiki>s(n) < n</nowiki>.

Noun

1. A person who is deficient.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.