inadequate

英 [ɪn'ædɪkwət] 美[ɪn'ædɪkwət]

1. (sometimes followed by `to') not meeting the requirements especially of a task;: "inadequate training"; "the staff was inadequate"; "she was inadequate to the job"

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"