Synonyms for ebb

recession, decline, outward flow, shrinkage, wane, waste, reflux, reduction, lessening, ebb tide, diminution, abatement, regression, withdrawal, decrease, depreciation, decay, falling-off.

Antonyms flow, increase*, rise.

recede, subside, abate, retire, flow back, sink, decline, decrease, drop off, melt, fall away, peter out, wane, languish, fall off, decay, dwindle.

Antonyms flow*, rise, increase. See syn. study at wane.wane.