Verb

(en verb)

To throw into confusion or disorder.

To interrupt or impede.

*{{quote-magazine, date=2013-07-19, author= Ian Sample

, volume=189, issue=6, page=34, magazine=(The Guardian Weekly) , title= Irregular bedtimes may affect children's brains , passage=Irregular bedtimes may disrupt healthy brain development in young children, according to a study of intelligence and sleeping habits.  ¶ Going to bed at a different time each night affected girls more than boys, but both fared worse on mental tasks than children who had a set bedtime, researchers found.}}

To improve a product or service in ways that displaces an established one and surprises the market.

The internet makes it easier for leaner businesses to disrupt the larger and more unwieldy ones.