interference

noun in·ter·fer·ence \ ˌin-tər-ˈfir-ən(t)s , ˌin-tə- \
Updated on: 9 Dec 2017

Definition of interference

1 a : the act or process of interfering
b : something that interferes : obstruction
2 : the mutual effect on meeting of two wave trains (as of light or sound) that constitutes alternating areas of increased and decreased amplitude (such as light and dark lines or louder and softer sound)
3 a : the legal blocking of an opponent in football to make way for the ballcarrier
b : the illegal hindering of an opponent in sports
4 : partial or complete inhibition or sometimes facilitation of other genetic crossovers in the vicinity of a chromosomal locus where a preceding crossover has occurred
5 a : confusion of a received radio signal due to the presence of noise (such as atmospherics) or signals from two or more transmitters on a single frequency
b : something that produces such confusion
6 : the disturbing effect of new learning on the performance of previously learned behavior with which it is inconsistent

interferential

play \ˌin-tər-fə-ˈren(t)-shəl, ˌin-tə-, -ˌfir-ˈen(t)-\ adjective

Examples of interference in a Sentence

  1. We had to put up with loud noise and constant interference from the neighbors.

  2. interference in the affairs of another nation

  3. trying to avoid governmental interference

  4. It was hard to hear the radio program because of all the interference.

  5. The TV picture had a lot of interference.

  6. a hockey player receiving a penalty for interference

Recent Examples of interference from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'interference.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of interference

1783


INTERFERENCE Defined for English Language Learners

interference

noun

Definition of interference for English Language Learners

  • : involvement in the activities and concerns of other people when your involvement is not wanted : the act of interfering

  • : additional signals that weaken or block the main signal in a radio or television broadcast

  • sports : the act of illegally hitting or getting in the way of an opponent


INTERFERENCE Defined for Kids

interference

noun in·ter·fer·ence \ ˌin-tər-ˈfir-əns \

Definition of interference for Students

1 : something that gets in the way as an obstacle
2 : involvement in the concerns of others when such involvement is not wanted
  • The young couple disliked their parents' interference.

Medical Dictionary

interference

noun in·ter·fer·ence \ -ˈfir-ən(t)s \

medical Definition of interference

1 : the act or process of interfering
2 : the mutual effect on meeting of two wave trains (as of light or sound) that constitutes alternating areas of increased and decreased amplitude (as light and dark lines or louder and softer sound)
3 : partial or complete inhibition or sometimes facilitation of other genetic crossovers in the vicinity of a chromosomal locus where a preceding crossover has occurred
4 : the disturbing effect of new learning on the performance of previously learned behavior with which it is inconsistent — compare negative transfer
5 : prevention of typical growth and development of a virus in a suitable host by the presence of another virus in the same host individual — see interference phenomenon

Law Dictionary

interference

noun in·ter·fer·ence

legal Definition of interference

1 a : the act or an instance of interfering
  • interference with contract
b : something that interferes
2 : a hearing to determine the priority of invention at issue in a patent dispute


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