Search Result for "weakening": 
Wordnet 3.0

NOUN (2)

1. becoming weaker;

2. the act of reducing the strength of something;


ADJECTIVE (2)

1. causing debilitation;
[syn: debilitative, enervating, enfeebling, weakening]

2. moderating by making pain or sorrow weaker;


The Collaborative International Dictionary of English v.0.48:

moderating \moderating\ adj. lessening in intensity or strength. Opposite of intensifying. [Narrower terms: tempering; weakening] [WordNet 1.5]
The Collaborative International Dictionary of English v.0.48:

Weaken \Weak"en\, v. t. [imp. & p. p. Weakened; p. pr. & vb. n. Weakening.] [1913 Webster] 1. To make weak; to lessen the strength of; to deprive of strength; to debilitate; to enfeeble; to enervate; as, to weaken the body or the mind; to weaken the hands of a magistrate; to weaken the force of an objection or an argument. [1913 Webster] Their hands shall be weakened from the work, that it be not done. --Neh. vi. 9. [1913 Webster] 2. To reduce in quality, strength, or spirit; as, to weaken tea; to weaken any solution or decoction. [1913 Webster]
WordNet (r) 3.0 (2006):

weakening adj 1: causing debilitation [syn: debilitative, enervating, enfeebling, weakening] 2: moderating by making pain or sorrow weaker n 1: becoming weaker [ant: strengthening] 2: the act of reducing the strength of something [ant: strengthening]
Moby Thesaurus II by Grady Ward, 1.0:

91 Moby Thesaurus words for "weakening": abatement, abridgment, alleviation, attenuation, attrition, bankruptcy, blunting, breakage, breakdown, collapse, contraction, crack-up, crippling, damage, dampening, damping, deadening, debilitation, decrease, decrement, decrescence, deduction, deflation, depreciation, depression, destruction, detriment, devitalization, devitalizing, dilapidation, dilution, diminishment, diminution, disablement, disrepair, draining, dulling, dying, dying off, effemination, encroachment, enervating, enervation, enfeeblement, enfeebling, evisceration, exhausting, exhaustion, extenuation, fade-out, fatigue, fatiguing, grueling, harm, hobbling, hurt, hurting, impairment, inanition, incapacitation, infringement, injury, inroad, languishment, lessening, letup, loss, lowering, maiming, mayhem, miniaturization, mischief, mitigation, mutilation, reduction, relaxation, ruination, ruinousness, sabotage, sagging, sapping, scaling down, scathe, sickening, simplicity, slackening, softening, spoiling, subtraction, thinning, trying