Dictionary.com
Thesaurus.com
Synonyms

inadequate

American  
[in-ad-i-kwit] / ɪnˈæd ɪ kwɪt /

adjective

  1. not good enough for the purpose; inept or unsuitable.

    This old tent they gave us is completely inadequate—it’s equally bad at keeping out both the rain and the bugs!

    Synonyms:
    imperfect, defective, incommensurate, incompetent, inapt, incomplete
    Antonyms:
    sufficient
  2. not sufficient for the purpose; not enough.

    The set of linens we received was so inadequate, we were asking friends for a loan of napkins and tablecloths.

  3. Psychiatry. ineffectual in response to emotional, social, intellectual, and physical demands in the absence of any obvious mental or physical deficiency.


inadequate British  
/ ɪnˈædɪkwɪt /

adjective

  1. not adequate; insufficient

  2. not capable or competent; lacking

"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

  • inadequacy noun
  • inadequately adverb

Etymology

Origin of inadequate

First recorded in 1665–75; in- 3 + adequate

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.

Zaslav sends a letter to David Ellison saying Warner’s board unanimously rejects Paramount’s offer as “inadequate.”

From Los Angeles Times

However, the judge said the CAA's application for a private prosecution had been "wholly inadequate" when it came to disclosing her social media activity towards him.

From BBC

Warner Bros. board urged shareholders to reject Paramount’s offer, which includes $54 billion in debt commitments, deeming it “inferior” and “inadequate.”

From Los Angeles Times

Their family say the cells are overcrowded, unsanitary and vermin-infested, with inadequate washing facilities and hygiene supplies.

From BBC

The amount of aid entering Gaza remains inadequate.

From Barron's