inadequate in WordNet English dictionary

1. lacking the requisite qualities or resources to meet a task
   "inadequate training"; "the staff was inadequate"; "she was unequal to the task"
   inadequate  unequal 
   
2. not sufficient to meet a need
   "an inadequate income"; "a poor salary"; "money is short"; "on short rations"; "food is in short supply"; "short on experience"
   inadequate  poor  short