1. A noticeable deterioration in performance or quality
   "a falloff in quality";
   - slump, slack, drop-off, falling off

1. Come off
   "The old paint began to fall off the walls"
    
2. Fall heavily or suddenly; decline markedly
   "The real estate market fell off";
   - slump, sink
    
3. Diminish in size or intensity
   "Sales fell off sharply after the holiday season";
   - fall away

Derived forms: falls off, fallen off, falloffs, fell off, falling off

Type of: come away, come off, declension [archaic], decline in quality, detach, deterioration, disappear, drop, go away, vanish, worsening

Encyclopedia: Fall off