ebb suggests the receding of something (such as the tide) that commonly comes and goes.

EBB definition: the flowing back of the tide as the water returns to the sea (flood,flow ). See examples of ebb used in a sentence.

Idiom ebb and flow (Definition of ebb from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of ebb noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

The ebb or the ebb tide is one of the regular periods, usually two per day, when the sea gradually falls to a lower level as the tide moves away from the land. ...the spring ebb tide. We decided …

[no object] 1 of a tide : to flow outward from the land waiting for the tide to ebb 2 : to get worse Their fortunes began to ebb. [= decline]

When something ebbs, it is declining, falling, or flowing away. The best time to look for sea creatures in tidal pools is when the tide is on the ebb — meaning it has receded from the shore.

ebb verb [I] (FEELING) If a physical or emotional feeling ebbs, it becomes less strong or disappears:

Consumers looking for information on the FCC’s Emergency Broadband Benefit should visit fcc.gov/broadbandbenefit. The Emergency Broadband Benefit Program provided support for …

ebb (ɛb) n. 1. the flowing back of the tide as the water returns to the sea. 2. a flowing backward or away; decline or decay. 3. a point or state of decline: His fortunes were at a low ebb.