1.
ebb tide; receding tide
The outgoing or falling tide, when the water level is dropping.
2.
waning; decline
Used figuratively to describe something losing momentum or declining from a peak.
Related Words
Antonym:
満ち潮 (high tide)
Synonym:
干潮 (low tide (Sino-Japanese))
Related:
潮干狩り (clamming at low tide)
Related:
満潮 (high tide)