noun
1.
Synonyms: deterioration 1, atrophy, decadence, declension, declination, decline, degeneracy, degeneration, dégringolade, devolution
Related Word: comedown, descent, discomfiture, down
2.
something that causes a downfall
drink was his downfall
Synonyms: bane, destroyer, destruction, ruin, ruination, undoing
Related Word: headache, problem, trouble
Idioms: road to ruin
Contrasted words: aid, help, support