interference

Interference is something that is in your way. If the sound of your sister's band practicing keeps you from getting your homework done, that’s interference.

Governments are sometimes accused of interference in other countries' affairs. If your neighbor’s in a civil war and your president sends in troops, your country may be accused of interference in that country's internal affairs, If all you hear on your radio is static, you’ve got interference — something is blocking the clear signal. And when a football player blocks another player, that's also interference. The Latin roots of interference are entre-, “between,” and ferire, “strike.”

Definitions of interference
  1. noun
    the act of hindering or obstructing or impeding
    synonyms: hinderance, hindrance
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    types:
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    foiling, frustration, thwarting
    an act of hindering someone's plans or efforts
    antagonism
    (biochemistry) interference in or inhibition of the physiological action of a chemical substance by another having a similar structure
    obstruction
    the act of obstructing
    complication
    the act or process of complicating
    deterrence
    the act or process of discouraging actions or preventing occurrences by instilling fear or doubt or anxiety
    bar, prevention
    the act of preventing
    blockage, closure, occlusion
    the act of blocking
    stall, stalling
    a tactic used to mislead or delay
    discouragement
    the act of discouraging
    nuclear deterrence
    the military doctrine that an enemy will be deterred from using nuclear weapons as long as he can be destroyed as a consequence
    averting
    the act of preventing something from occurring
    debarment
    the act of prevention by legal means
    disqualification
    the act of preventing someone from participating by finding them unqualified
    interception
    the act of intercepting; preventing something from proceeding or arriving
    non-proliferation, nonproliferation
    the prevention of something increasing or spreading (especially the prevention of an increase in the number of countries possessing nuclear weapons)
    forestalling, obviation, preclusion
    the act of preventing something by anticipating and disposing of it effectively
    prophylaxis
    the prevention of disease
    save
    (sports) the act of preventing the opposition from scoring
    crushing, quelling, stifling, suppression
    forceful prevention; putting down by power or authority
    obstruction of justice
    impeding those who seek justice in a court (as by trying to influence or intimidate any juror or witness or officer of the court); can result in a finding of contempt of court
    type of:
    act, deed, human action, human activity
    something that people do or cause to happen
  2. noun
    (American football) blocking a player's path with your body
    “he ran interference for the quarterback”
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    type of:
    block, blocking
    the act of obstructing or deflecting someone's movements
  3. noun
    any obstruction that impedes or is burdensome
    synonyms: encumbrance, hinderance, hindrance, hitch, incumbrance, preventative, preventive
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    types:
    clog
    any object that acts as a hindrance or obstruction
    speed bump
    a hindrance to speeding created by a crosswise ridge in the surface of a roadway
    type of:
    impediment, impedimenta, obstructer, obstruction, obstructor
    any structure that makes progress difficult
  4. noun
    a policy of intervening in the affairs of other countries
    synonyms: intervention
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    Antonyms:
    noninterference, nonintervention
    a foreign policy of staying out of other countries' disputes
    type of:
    foreign policy
    a policy governing international relations
  5. noun
    electrical or acoustic activity that can disturb communication
    synonyms: disturbance, noise
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    types:
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    clutter
    unwanted echoes that interfere with the observation of signals on a radar screen
    background, background signal
    extraneous signals that can be confused with the phenomenon to be observed or measured
    XT, crosstalk
    the presence of an unwanted signal via an accidental coupling
    fadeout
    a gradual temporary loss of a transmitted signal due to electrical disturbances
    jitter
    small rapid variations in a waveform resulting from fluctuations in the voltage supply or mechanical vibrations or other sources
    atmospheric static, atmospherics, static
    a crackling or hissing noise caused by electrical interference
    white noise
    a noise produced by a stimulus containing all of the audible frequencies of vibration
    background noise, ground noise
    extraneous noise contaminating sound measurements that cannot be separated from the desired signal
    background radiation
    radiation coming from sources other than those being observed
    radio noise
    static at radio wavelengths
    type of:
    trouble
    an event causing distress or pain
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