Akademik

weakening
I
noun
1. becoming weaker (Freq. 1)
Ant: ↑strengthening
Derivationally related forms: ↑weaken
Hypernyms: ↑transformation, ↑transmutation, ↑shift
Hyponyms:
debilitation, ↑enervation, ↑enfeeblement, ↑exhaustion, ↑atrophy, ↑withering, ↑attenuation, ↑fading, ↑fall, ↑downfall, ↑relaxation, ↑loosening, ↑slackening
2. the act of reducing the strength of something
Ant: ↑strengthening
Derivationally related forms: ↑weaken
Hypernyms: ↑decrease, ↑diminution, ↑reduction, ↑step-down
Hyponyms: ↑wilt, ↑wilting, ↑dilution, ↑etiolation
II
adjective
1. causing debilitation
Syn: ↑debilitative, ↑enervating, ↑enfeebling
Similar to: ↑debilitating
Derivationally related forms: ↑debilitate (for: ↑debilitative)
2. moderating by making pain or sorrow weaker
Similar to: ↑moderating

Useful english dictionary. 2012.