ebbing

(noun) a gradual decline (in size or strength or power or number). Synonyms: ebb, wane.

(verb) flow back or recede. Synonyms: ebb, ebb away, ebb down, ebb out, ebb off. Example: "The tides ebbed at noon."

(verb) hem in fish with stakes and nets so as to prevent them from going back into the sea with the ebb. Synonyms: ebb.

(verb) fall away or decline. Synonyms: ebb. Example: "The patient's strength ebbed away."