OBLIER (5 letters) The term MORE BROODING can be solved by the two crossword solutions MOPIER (6 letters) and OBLIER (5 letters). MOPIER is a verb meaning to make something more sullen or gloomy, while OBLIER is a verb meaning to make someone forgetful. Both words are related to the idea of making something more brooding, as MOPIER implies making something more sullen and OBLIER implies making someone forgetful, which could lead to a more brooding state.