Ebb

1. The state or time of passing away; a falling from a better to a worse state; low state or condition; decline; decay.
2. To return or fall back from a better to a worse state; to decline; to decay; to recede.
3. To flow back; to return, as the water of a tide toward the ocean; -- opposed to flow.
4. The reflux or flowing back of the tide; the return of the tidal wave toward the sea; -- opposed to flood; as, the boats will go out on the ebb.
5. The European bunting.
6. To cause to flow back.
7. Receding; going out; falling; shallow; low.