inadequately

From inadequate +‎ -ly.

inadequately (comparative more inadequately, superlative most inadequately)

1. In an inadequate manner.
   • 1959 February, “Letters to the Editor: Open-Type Coaches on B.R.”, in Railway Magazine, page 135:

     Open carriages tend to be draughty and inadequately heated. The passenger in them has no escape from the annoyance of squalling babies, boisterous drunks, and riotous teddy-boys, who may be at the far end of the coach but whose din cannot be shut out.

• adequately