They called it a comet, 'for lack of' a better term/word. [=because they could not think of a better term/word for it]
His honesty, or 'lack thereof', is the real problem. [=the real problem is his lack of honesty]
There was 'no lack of' interest in the proposal. [=there was much interest in the proposal]
(..) Let a little out, let it dry. Little out, let it dry. Didn't I say that he has what it takes to be a surgeon? Beyond the blind sense of entitlement and complete lack of human empathy, there's the empty-headed concentration, the unjustifiable arrogance and the sheer willingness to stand in one place (..)2010 TvShow: Scrubs Title: Our Thanks Season: 9 Episode 13