inefficient

1. Not producing desired results;
   Wasteful (synset 300844441)
   "an inefficient campaign against drugs"; "outdated and inefficient design and methods"
   also:

   • incompetent - not qualified or suited for a purpose
   • ineffective, ineffectual, uneffective - not producing an intended effect
   similar to: uneconomical, wasteful - inefficient in use of time and effort and materials
2. Lacking the ability or skill to perform effectively;
   Inadequate (synset 300513664)
   "an ineffective administration"; "inefficient workers"
   similar to: incompetent - not qualified or suited for a purpose
   same as: ineffective

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