Synonyms:
- alternately,
- back and forth,
- backward and forward,
- backwards and forwards,
- by turns,
- capriciously,
- changeably,
- desultorily,
- erratically,
- every other,
- hitch and hike,
- in and out,
- in rotation,
- in turns,
- inconstantly,
- make and break,
- mutatis mutandis,
- off and on,
- on and off,
- reciprocally,
- ride and tie,
- round and round,
- seesaw,
- shuttlewise,
- turn about,
- uncertainly,
- unsteadfastly,
- unsteadily,
- up and down,
- variably,
- vice versa,
- waveringly