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.

Verb

(deterr)

To prevent something from happening.

To persuade someone not to do something; to discourage.

* 1748 . David Hume. Enquiries concerning the human understanding and concerning the principles of moral. London: Oxford University Press, 1973. § 10.

we have in following enquiry, attempted to throw some light upon subjects, from which uncertainty has hitherto deterred the wise