WordReference Random House Learner's Dictionary of American English © 2017
in•ad•e•quate /ɪnˈædɪkwɪt/USA pronunciation   adj. 
  1. not adequate or sufficient.
in•ad•e•quate•ly, adv. 

WordReference Random House Unabridged Dictionary of American English © 2017
in•ad•e•quate  (in adi kwit),USA pronunciation adj. 
  1. not adequate or sufficient;
    inept or unsuitable.
  2. Psychiatryineffectual in response to emotional, social, intellectual, and physical demands in the absence of any obvious mental or physical deficiency.
in•ade•quate•ly, adv. 
  • in-3 + adequate 1665–75
    • 1.See corresponding entry in Unabridged . inapt, incompetent;
      defective, imperfect, incomplete.
    • 1.See corresponding entry in Unabridged . sufficient.

Collins Concise English Dictionary © HarperCollins Publishers::

inadequate /ɪnˈædɪkwɪt/ adj
  1. not adequate; insufficient
  2. not capable or competent; lacking

inˈadequacy n inˈadequately adv

'inadequate' also found in these entries:

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