Synonyms of lessening

1 Syllable
fall, ebb
2 Syllables
plunging, slowing, cutback, ebbing, tensing, reflux, dwindling, dropping, slumping, wasting, quieting, pratfall, shrinking, letup, sagging, compend, sinking, waning
3 Syllables
contractions, declining, softening, narrowing, lowering, weakening, decrement, contraction, decrescent, plummeting, retroflux, refluence, slackening, lightening, shrinkage, abating, subsiding, reducing, abridgment
4 Syllables
belt-tightening, extenuating, diminishing, depreciating, abridgement, retrocession, appeasement, moderating
5 Syllables
deterioration, degringolade, tranquilization, disparagement