Collocations for lacking - adj.

be, feel, seem
Her life felt lacking in direction and purpose.

find sth
an area of policy where the government has been found seriously lacking

seriously, severely
altogether, completely, entirely, totally, wholly
The book is altogether lacking in originality.

rather, somewhat
a little, slightly, etc.
apparently
clearly, conspicuously, distinctly, notably, noticeably, obviously
Tom was conspicuously lacking in enthusiasm for the idea.

curiously, singularly (esp. BrE), strangely
sadly, sorely, woefully

from
the passion sadly lacking from his performance

in
Her remarks were curiously lacking in perception.