alternately au pair break back by turns change back come about consecutively convert cry back do a flip-flop do an about-face even evert every other exchangeably fetch about flip-flop go about go back hand running hark back heel in Indian file in a chain in a line in a row in a series in column in exchange in file in return in rotation in single file in succession in turn in turns introvert intussuscept invaginate inverse invert make and break mutually off and on pivot pivot about progressively pronate put about reciprocally resupinate reverse revolve rotate round round and round running sequentially serially seriatim spin step by step successively supinate swing swing round swivel to and fro transpose turn turn around turn back turn down turn in turn inside out turn out turn over turn round turn tail turn the scale turn the tables turn upside down up and down veer veer around wheel wheel about whirl