to study or ruminate; ponder.

to think about carefully; consider (often fol. by over )

to mull over an idea.

to make a mess or failure of.

verb

ignore , neglect

verb

brood over , chaw , consider , contemplate , delay , deliberate , examine , figure , hammer away at , linger , meditate , moon * , muse on , ponder , pore over , procrastinate , rack one’s brains , reflect , review , revolve , ruminate , stew over , study , sweat over , think over , turn over , weigh , woolgather , chew on , cogitate , entertain , excogitate , muse , think , think out , think through , cloth , dawdle , loiter , powder