[1] : The Collaborative International Dictionary of English v.0.48

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
see also:
ebbed ebbing ebb flow 

[2] : The Collaborative International Dictionary of English v.0.48

ebb \ebb\ e^b, n. zo"ol.
   the european bunting.
   1913 webster

[3] : The Collaborative International Dictionary of English v.0.48

ebb \ebb\, n. as. ebba; akin to fries. ebba, d. eb, ebbe, dan.
    g. ebbe, sw. ebb, cf. goth. ibuks backward; prob. akin to
   e. even.
   1. 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.
      1913 webster

            thou shoreless flood which in thy ebb and flow
            claspest the limits of morality      --shelley.
      1913 webster

   2. the state or time of passing away; a falling from a better
      to a worse state; low state or condition; decline; decay.
      "our ebb of life." --roscommon.
      1913 webster

            painting was then at its lowest ebb.  --dryden.
      1913 webster

   ebb and flow, the alternate ebb and flood of the tide;
      often used figuratively.
      1913 webster

            this alternation between unhealthy activity and
            depression, this ebb and flow of the industrial.
                                                  --a. t.
                                                  hadley.
      1913 webster
see also:
flood ebb and flow 

[4] : The Collaborative International Dictionary of English v.0.48

ebb \ebb\, v. t.
   to cause to flow back. obs. --ford.
   1913 webster

[5] : The Collaborative International Dictionary of English v.0.48

ebb \ebb\, a.
   receding; going out; falling; shallow; low.
   1913 webster

         the water there is otherwise very low and ebb.
                                                  --holland.
   1913 webster

[6] : WordNet (r) 2.0

ebb
     n 1: a gradual decline in size or strength or power or number
          syn: ebbing, wane
     2: the outward flow of the tide syn: reflux
     v 1: flow back or recede; "the tides ebbed at noon" syn: ebb
          away, ebb down, ebb out, ebb off ant: tide
     2: hem in fish with stakes and nets so as to prevent them from
        going back into the sea with the ebb
     3: fall away or decline; "the patient's strength ebbed away"
see also:
ebbing wane reflux ebb away ebb down ebb out 
ebb off tide 

[7] : Moby Thesaurus II by Grady Ward, 1.0

232 moby thesaurus words for "ebb":
   abate, ablate, advance, ascend, back, back up, bate, be eaten away,
   budge, calm, calm down, catabasis, cease, cessation, change,
   change place, circle, climb, collapse, comedown, consume,
   consume away, corrode, course, crash, crumble, dead set,
   dead stand, dead stop, deadlock, debasement, decadence, decadency,
   deceleration, declension, declination, decline, decline and fall,
   decrease, decrescendo, deformation, degeneracy, degenerateness,
   degeneration, degradation, deliquesce, demotion, depravation,
   depravedness, depreciation, derogation, descend, descent,
   deterioration, devolution, die, die away, die down, diminish,
   diminuendo, direct tide, dive, downtrend, downturn,
   downward mobility, downward trend, drift away, drop, drop off,
   dwindle, dwindling, dying, dying down, ease off, ebb and flow,
   ebb tide, ebbing, effeteness, erode, fade, fade away, fading, fail,
   failing, failure, failure of nerve, fall, fall away, fall off,
   falling-off, flood, flood tide, flow, flow back, flow in, flow out,
   flush, flux, flux and reflux, full stop, full tide, get over, go,
   go around, go away, go down, go downhill, go off, go round,
   go sideways, gush, gyrate, halt, high tide, high water,
   hit a slump, hit rock bottom, hit the skids, involution, issue,
   languish, lapse, lessen, let up, lock, loss of tone, low tide,
   low water, lull, lunar tide, make, melt away, moderate, molder,
   mount, move, move away, move off, move over, neap, neap tide,
   opposite tide, pacify, peter out, plummet, plunge, pour, progress,
   pull away, quiesce, quiet, quieten, reach the depths, recede,
   refluence, reflux, regress, regression, regurgitate, relent,
   remission, retire, retreat, retrocede, retrocession,
   retrogradation, retrograde, retrogress, retrogression, rip,
   riptide, rise, rotate, run, run down, run low, rush, sag, set,
   shift, shrink, sink, slacken, slide, slip, slippage, slowdown,
   slump, soar, solar tide, soothe, spin, spring tide, stand,
   stand off, standstill, stillstand, stir, stop, stream, subside,
   subsidence, surge, surge back, tail off, thalassometer,
   tidal amplitude, tidal current, tidal current chart, tidal flow,
   tidal range, tide, tide chart, tide gate, tide gauge, tide race,
   tide rip, tidewater, tideway, touch bottom, tranquilize, travel,
   trend, wane, waning, waste, waste away, wear, wear away, whirl,
   widen the distance, withdraw

Ebb >> E Words
Ebb, definition of term: Ebb
ebb_pag1.html

Ebb Tide >> E Words
Ebb Tide, definition of term: Ebb Tide
ebb+tide_pag1.html