They were 'wanting in' common sense. [=they did not have much common sense]
He was not 'wanting in' confidence. [=he was very confident]
The plan was 'wanting'. [=the plan was not good enough]
(..) And Dickon? They're on a hunt. They'll join us for dinner. Come inside. Such a journey. You must be exhausted. Come, you'll be wanting a bath after all that travel. Oh, and a dress for dinner. You can wear one of mine. What's... what's your color? Midnight blue or silver? (..)2016 TvShow: Game of Thrones Title: Blood of My Blood Season: 6 Episode 6