Ebb - (n)
- the flowing back of the tide as the water returns to the sea (opposed to flood, flow ).
- a flowing backward or away; decline or decay: the ebb of a once great nation.
- a point of decline: His fortunes were at a low ebb
- to flow back or away, as the water of a tide (opposed to flow ).
- to decline or decay; fade away: His life is gradually ebbing.