Her brother's success and popularity always made her feel 'inadequate'.
We were given very/woefully/wholly 'inadequate' information.
These supplies are 'inadequate' to meet our needs.
(..) Rae: Why Don't you just get out of the way? Wade: I'm not in the way. Look, this examination area is completely inadequate. But it's all we've got. Holding him in this net is dangerous. We've told you that (..)1993 Free Willy