Definition of interference in English:



  • 1The action of interfering or the process of being interfered with.

    ‘concerns about government interference in church life’
    [count noun] ‘an unwarranted interference with personal liberty’
    • ‘What he doesn't count on, however, is the resolve of the children, or the numerous interferences from the likes of Uncle Monty and Aunt Josephine.’
    • ‘Buses and two wheeled vehicles would also benefit as the curbside lane becomes available to them without interference from pedestrians and slow vehicles.’
    • ‘From the control tower, the traffic was clear and there were no signs of interference or alerts.’
    • ‘He obviously wasn't used to this many interferences.’
    • ‘Because of these findings we decided to design an assessment without possible interferences between the cognitive and metacognitive processes.’
    • ‘We're determined not to allow outside interferences to bother us, but the high profile will be great for curling.’
    • ‘He makes it clear this applies as long as there is no outside interference.’
    • ‘This is an experiment and I intend to carry it out perfectly without any outer interferences!’
    • ‘The Austrians, on the whole, believe unemployment is caused by governmental interferences which cause wage-rates to exceed labor's marginal productivity.’
    • ‘This legislation makes it clear that that sort of ministerial interference cannot occur again.’
    • ‘Behind it, corporate power could operate free from legal interference.’
    • ‘Such choppy interferences told them an island was beyond their sight.’
    • ‘Largely they are smart, know what they are doing, and can surely handle their lives independently and successfully without such interferences at least.’
    • ‘He predicted: ‘Over the years, unique professional traditions and qualities come into being, which will give judges the strength and the power to ward off outside interferences.’’
    • ‘The prime minister said: ‘The Home Office have already made it clear that no political interference has taken place in this case.’’
    • ‘They are actually quite accurate, as long as you don't have interferences to deal with.’
    • ‘They knew interference when they saw it, and made sure to let Scott know how unhappy they were.’
    • ‘The literature supplied with these machines mentions potential interference by other reductants.’
    • ‘Wireless networks are subject to interference that can slow the system down.’
    • ‘Such a limitation is well-defined, leaving central institutions, independent and free of outside interferences.’
    intrusion, intervention, intercession, involvement, impinging, encroaching, trespass, trespassing, obtrusion
    View synonyms
    1. 1.1American Football The legal blocking of an opponent to clear a way for the ball carrier.
      • ‘Hamilton did hit Lewis, but pass interference is legal behind the line of scrimmage.’
    2. 1.2(in ice hockey and other sports) the illegal hindering of an opponent not in possession of the puck or ball.
      • ‘The NHL should be applauded for yet another crackdown on obstruction and interference, which have damaged the entertainment value of the game severely.’
      • ‘Obstruction and interference continue to infest the expansion-crazed NHL, but Roberts, Corson and Tucker can muck it up.’
      • ‘The officials might be losing a little of that focus on obstruction and interference, but it doesn't mean the effect has been lost completely.’
      • ‘The NHL sent a video to each training camp so players could see what will not be allowed in the crackdown on interference and obstruction.’
      • ‘The GAA has allowed physical interference off the ball as part of the game.’
  • 2Physics
    The combination of two or more electromagnetic waveforms to form a resultant wave in which the displacement is either reinforced or cancelled.

    • ‘Electromagnetic interference occurs in two forms: conducted and radiated.’
    • ‘All wires should be labeled, shielded from electromagnetic interference, and out of the way.’
    • ‘In this case, the destructive interference occurs for waves traveling in most directions, but not for those ultimately heading toward the focal point.’
    • ‘On the detecting screen we see a picture identical to one which is obtained from interference of waves.’
    • ‘Atomic beams can act like light waves and exhibit all of the classic wave effects, like interference and refraction.’
    1. 2.1The fading or disturbance of received radio signals caused by unwanted signals from other sources, such as unshielded electrical equipment, or broadcasts from other channels.
      • ‘Every time you start your car ignition it causes interference to the radio band - so it's a very confusing technical issue.’
      • ‘The radio crackled with interference and she switched it off.’
      • ‘That didn't solve the problem; stations as far as 150 miles from one another suffered interference if they broadcast on the same channel.’
      • ‘It is unlikely to be the result of any obvious radio interference or noise, and does not bear the hallmark of any known astronomical object.’
      • ‘As a practical matter, all broadcast communication requires some public regulation to limit signal interference that could frustrate all such activity.’
      • ‘When the transmission encounters a disturbance due to interference, the packet will simply be retransmitted on a different channel.’
      • ‘The funding will also support research into broadband radio observations such as how to eliminate radio frequency interference.’
      • ‘Originally draped in thick layers of glitches, radio interference and distorted noises, the title track eventually emerges as the most upbeat moment on here.’
      • ‘This not only includes the new WiFi devices, but microwave ovens and other appliances that cause radio interference.’
      • ‘This is a particularly apt description, which conjures up the image of a radio whose reception is disrupted by some outside source of interference.’
      • ‘This makes wireless networks more immune to interference from other radio signals than if they transmitted on a single frequency.’
      • ‘The digital output eliminates noise caused by such interference by keeping the signal in digital form throughout.’
      • ‘A constant priority for the agency is silencing stations that cause radio interference.’
      • ‘The next time you experience hum, buzz, radio or television interference, attach a snap-on ferrite clamshell to the cable where it goes into a device.’
      • ‘Broadcasters are worried about interference.’
      • ‘The said equipment must not cause interference to others.’
      • ‘It sounds like interference from a nearby radio station, but it is more likely to be the effect of a ‘leaky’ mike among the production crew.’
      • ‘However, they are subject to many sources of radio frequency type interference.’
      • ‘If you do encounter some wireless interference, just change channels and you should be fine.’
      • ‘The rest of the signals, and quite possibly all of them, would prove to be the result of random noise or radio frequency interference.’
      disruption, disturbance, static, fading
      View synonyms


Mid 18th century: from interfere, on the pattern of words such as difference.