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Synonyms

insufficient

American  
[in-suh-fish-uhnt] / ˌɪn səˈfɪʃ ənt /

adjective

  1. not sufficient; lacking in what is necessary or required.

    an insufficient answer.

    Synonyms:
    deficient, scanty, inadequate
  2. deficient in force, quality, or amount; inadequate.

    insufficient protection.


insufficient British  
/ ˌɪnsəˈfɪʃənt /

adjective

  1. not sufficient; inadequate or deficient

"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

Other Word Forms

  • insufficiently adverb

Etymology

Origin of insufficient

First recorded in 1350–1400; Middle English, from Late Latin insufficient-, stem of insufficiēns; equivalent to in- 3 + sufficient

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“In short, insufficient child care acts as a drag on the U.S. economy,” said Nancy Fishman, the national director of ReadyNation.

From Barron's

The inquest heard a grand jury in the US had determined there was insufficient evidence to charge anyone in connection with Lucy Harrison's death.

From BBC

“While core revenues came in ahead of expectations and volume trends were encouraging, the cost miss was unhelpful and the 2026 guidance is insufficient to lift estimates this morning,” they write.

From The Wall Street Journal

Still, there is insufficient housing supply in the U.K., which ensures continuing demand, he says.

From The Wall Street Journal

It excluded the United Arab Emirates and Japan because of insufficient data.

From Los Angeles Times