'Ebbing' definitions:

Definition of 'ebbing'

noun

A gradual decline (in size or strength or power or number) [syn: ebb, ebbing, wane]

From: GCIDE

Ebb \Ebb\, v. i. [imp. & p. p. Ebbed; p. pr. & vb. n. Ebbing.] [AS. ebbian; akin to D. & G. ebben, Dan. ebbe. See
2d Ebb.]
1. To flow back; to return, as the water of a tide toward the ocean; -- opposed to flow. [1913 Webster]
That Power who bids the ocean ebb and flow. --Pope. [1913 Webster]
2. To return or fall back from a better to a worse state; to decline; to decay; to recede. [1913 Webster]
The hours of life ebb fast. --Blackmore.
Syn: To recede; retire; withdraw; decay; decrease; wane; sink; lower. [1913 Webster]