inadequate
US /ɪˈnæd.ə.kwət/
UK /ɪˈnæd.ə.kwət/

1.
inadequado, insuficiente, deficiente
lacking the quality or quantity required; insufficient for a purpose
:
•
The food supply was inadequate to feed all the refugees.
O suprimento de alimentos era inadequado para alimentar todos os refugiados.
•
His performance was inadequate for the demands of the job.
Seu desempenho foi inadequado para as exigências do trabalho.
2.
incapaz, incompetente, inadequado
unable to deal with a situation or with life
:
•
She felt completely inadequate to handle the new responsibilities.
Ela se sentiu completamente incapaz de lidar com as novas responsabilidades.
•
He often feels inadequate in social situations.
Ele frequentemente se sente inadequado em situações sociais.