In an inadequate manner; not fully or sufficiently.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
ad. in an inadequate manner or to an inadequate degree
Word Usage
"But, since these cannot be delivered to theatre until the end of this year, our troops must continue to ride – and die – in inadequately protected Land Rovers, and Blair has the nerve to call these deaths a "terrible tragedy"."