regeneration Antonyms

bad shape disintegration deterioration descent degradation degeneration decrease decline declination declension drop fall retrogradation big step backward chronic illness rack and ruin death blow suicide stagnation self-destruction ruin retrogression decimation decay decadence caries breakdown blight backsliding atrophy annihilation adulteration abdication abasement cessation collapse comedown debasement death damage crumbling crash corruption corrosion consumption conclusion abandonment