fall off

verb

1. to drop unintentionally to the ground from (a high object, bicycle, etc), esp after losing one's balance

2. (adverb) to diminish in size, intensity, etc; decline or weaken

   business fell off after Christmas

3. (adverb) nautical to allow or cause a vessel to sail downwind of her former heading

noun

1. a decline or drop

Idioms and Phrases

see fall away.

Related Words

• diminish 
• lessen 
• wane