Synonyms:
- Brownian movement,
- abrupt,
- abysmal,
- abyssal,
- advance,
- angular motion,
- ascending,
- ascent,
- axial,
- axial motion,
- back,
- back-flowing,
- backflowing,
- backing,
- backward,
- backward motion,
- bluff,
- bold,
- bottomless,
- breakneck,
- career,
- cavernous,
- climbing,
- collapsing,
- course,
- current,
- deciduous,
- declining,
- declivitous,
- decurrent,
- deep as hell,
- deep-sea diving,
- descendant,
- descending,
- descent,
- diving,
- down,
- down-reaching,
- down-trending,
- downcoming,
- downfalling,
- downgoing,
- downhill,
- downsinking,
- downward,
- downward motion,
- drift,
- driftage,
- drifting,
- drooping,
- dropping,
- ebbing,
- falling,
- fancy diving,
- fathomless,
- flight,
- flow,
- flowing,
- fluent,
- flux,
- flying,
- forward motion,
- gaping,
- going,
- gyrational,
- gyratory,
- headlong,
- high diving,
- mounting,
- oblique motion,
- on the descendant,
- on the downgrade,
- ongoing,
- onrush,
- orthodiagonal,
- orthogonal,
- passage,
- passing,
- pearl diving,
- perpendicular,
- plumb,
- plumbless,
- plummeting,
- precipitous,
- progress,
- progressive,
- radial motion,
- random motion,
- rapid,
- reflowing,
- refluence,
- refluent,
- reflux,
- regression,
- regressive,
- retrogression,
- retrogressive,
- right-angle,
- right-angled,
- right-angular,
- rising,
- rotary,
- rotational,
- rotatory,
- run,
- running,
- rush,
- rushing,
- sagging,
- set,
- setting,
- sharp,
- sheer,
- sideward,
- sideward motion,
- sinking,
- skin diving,
- sky diving,
- soaring,
- soundless,
- steep,
- sternway,
- straight-up,
- straight-up-and-down,
- stream,
- streaming,
- submerging,
- subsiding,
- tottering,
- traject,
- trajet,
- trend,
- tumbledown,
- unfathomable,
- unfathomed,
- unsounded,
- up-and-down,
- up-trending,
- upward,
- upward motion,
- vertical,
- without bottom,
- yawning