n 1: a noticeable decline in performance: "the team went into a
slump"; "a sudden slack in output"; "a drop-off in
attendance"; "a falloff in automobile sales" [syn: slump, slack, falloff, falling off]
2: a steep high face of rock [syn: cliff]
3: a change downward; "there was a sharp drop-off in sales"
[syn: decrease, lessening] [ant: increase]