insufficient

[ in-suh-fish-uhnt ]
/ ˌɪn səˈfɪʃ ənt /
SEE SYNONYMS FOR insufficient ON THESAURUS.COM

adjective

not sufficient; lacking in what is necessary or required: an insufficient answer.
deficient in force, quality, or amount; inadequate: insufficient protection.

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Origin of insufficient

1350–1400; Middle English <Late Latin insufficient- (stem of insufficiēns). See in-3, sufficient

OTHER WORDS FROM insufficient

in·suf·fi·cient·ly, adverb

Words nearby insufficient

insudate, insufferable, insufficiency, insufficiency disease, insufficiency of eyelids, insufficient, insufflate, insufflation, insufflation anesthesia, insula, insulant
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Words related to insufficient

poor, unsatisfactory, deficient, inadequate, meager, scant, scarce, faulty, incomplete, bereft, defective, destitute, devoid, drained, dry, failing, imperfect, incapable, incommensurate, incompetent

Example sentences from the Web for insufficient

British Dictionary definitions for insufficient

insufficient
/ (ˌɪnsəˈfɪʃənt) /

adjective

not sufficient; inadequate or deficient

Derived forms of insufficient

insufficiently, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for insufficient

insufficient
[ ĭn′sə-fĭsh′ənt ]

adj.

Not sufficient.
Incapable of proper functioning.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.