'tread water' definitions:
Synonyms of 'tread water'
From: Moby Thesaurus
- abide,
- bathe,
- be still,
- coast,
- dive,
- float,
- freeze,
- go in swimming,
- go in wading,
- keep quiet,
- lie still,
- mark time,
- not breathe,
- not stir,
- remain,
- remain motionless,
- repose,
- rest,
- skinny-dip,
- stand,
- stand fast,
- stand firm,
- stand still,
- stay,
- stay put,
- stick,
- stick fast,
- swim,
- tarry,
- wade