I. ˈeb noun
Etymology: Middle English ebbe, from Old English ebba; akin to Middle Dutch ebbe ebb, Old English of from — more at of
Date: before 12th century
1. : the reflux of the tide toward the sea
2. : a point or condition of decline
our spirits were at a low ebb
II. intransitive verb
Date: before 12th century
1. : to recede from the flood
2. : to fall from a higher to a lower level or from a better to a worse state
his popularity ebb ed
Synonyms: see abate