a different aspect of something (especially the opposite aspect); "the flip side of your positive qualities sometimes get out of control"; "on the flip side of partnerships he talked about their competition"
a noticeable deterioration in performance or quality; "the team went into a slump"; "a gradual slack in output"; "a drop-off in attendance"; "a falloff in quality"
fall heavily or suddenly; decline markedly; "The real estate market fell off"
fall or sink heavily; "He slumped onto the couch"; "My spirits sank"
old; no longer in use or valid or fashionable; "obsolete words"; "an obsolete locomotive"; "outdated equipment"; "superannuated laws"; "out-of-date ideas"