tumbling• The momentum often subsides, leading to a tumbling of the share price.• Several more items come tumbling or fluttering out over me ... A dentist's appointmentcard.• The two guys near the bottom fell tumbling and Emberhit the first one hard on the neck.• Jack and Jill went up the hill, yes, and Jack fell down with Jill tumbling after also.• Whereupon, lo! the animals began coming over, tumbling and falling to their deaths.• I walked on, following the windings of the splashingtumbling Mosedale Beck.• Jones won the race fractionally to poke the ball well wide of goal, but then went tumbling.