interference

The definition of interference is the act of or something that obstructs or hinders.

(noun)

An example of an interference is a detour on the road.

See interference in Webster's New World College Dictionary

noun

an act or instance of interfering
something that interferes
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1. Football the legal blocking of opposing players in order to clear the way for the ball carrier; also, the player or players who do such blocking
2. Sports the illegal hindering of an opposing player, specif., in football, of an opponent who is trying to catch a pass
Physics the mutual action of two waves of the same frequency, as of sound, light, etc., in reinforcing or neutralizing each other according to their relative phases on meeting
Radio, TV, etc.
1. static, unwanted signals, etc., producing a distortion as of sounds or images and preventing good reception
2. such distorted reception

Related Forms:

See interference in American Heritage Dictionary 4

noun

a. The act or an instance of hindering, obstructing, or impeding.
b. Something that hinders, obstructs, or impedes.
a. Sports Illegal obstruction or hindrance of an opposing player, such as hindrance of a receiver by a defender in football, hindrance of a fielder by a base runner in baseball, or checking a player not in possession of the puck in ice hockey.
b. Football The legal blocking of defensive tacklers to protect and make way for the ball carrier.
Physics The variation of wave amplitude that occurs when waves of the same or different frequency come together.
Electronics
a. The inhibition or prevention of clear reception of broadcast signals.
b. The distorted portion of a received signal.
The negative or distorting effect that new learning can have on previous learning or that previous learning can have on new learning.