Synonyms:
- alternately,
- au pair,
- by stages,
- by turns,
- consecutively,
- even,
- every other,
- exchangeably,
- hand running,
- hierarchically,
- in Indian file,
- in a chain,
- in a line,
- in a row,
- in a series,
- in column,
- in exchange,
- in file,
- in order,
- in return,
- in rotation,
- in sequence,
- in series,
- in single file,
- in succession,
- in turns,
- make and break,
- mutually,
- off and on,
- progressively,
- reciprocally,
- round and round,
- running,
- sequentially,
- serially,
- seriatim,
- step by step,
- successively,
- to and fro,
- turn about,
- up and down