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

1.
inadeguato, insufficiente, scarso
lacking the quality or quantity required; insufficient for a purpose
:
•
The food supply was inadequate to feed all the refugees.
La fornitura di cibo era inadeguata per nutrire tutti i rifugiati.
•
His performance was inadequate for the demands of the job.
La sua prestazione era inadeguata per le esigenze del lavoro.
2.
incapace, inadeguato, insufficiente
unable to deal with a situation or with life
:
•
She felt completely inadequate to handle the new responsibilities.
Si sentiva completamente inadeguata a gestire le nuove responsabilità.
•
He often feels inadequate in social situations.
Spesso si sente inadeguato nelle situazioni sociali.