Maana ya kamusi ya neno "kuchafuliwa" ni kufanya kitu kichafu, kichafu, au kilichochafuliwa kwa kuongeza uchafu, taka au vitu vingine vyenye madhara. Inaweza pia kurejelea kitendo cha kutia unajisi, kutia madoa au kutia doa kitu ambacho hapo awali kilikuwa kisafi au kisafi.
1. My old master had been fond of smoking them in his parlor with guests on the rare occasion we had them, and instantly I understood what the smoky odor that befouled the entire house came from.