Dictionary

interfere

verb in·ter·fere \ˌin-tə(r)-ˈfir\

: to become involved in the activities and concerns of other people when your involvement is not wanted

in·ter·feredin·ter·fer·ing

Full Definition of INTERFERE

intransitive verb
1
:  to interpose in a way that hinders or impedes :  come into collision or be in opposition
2
:  to strike one foot against the opposite foot or ankle in walking or running —used especially of horses
3
:  to enter into or take a part in the concerns of others
4
:  to act reciprocally so as to augment, diminish, or otherwise affect one another —used of waves
in·ter·fer·er noun
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Examples of INTERFERE

  1. I tried to offer advice without interfering.
  2. <a strong resentment of outsiders who attempted to interfere with their traditional ways of doing things>

Origin of INTERFERE

Middle English enterferen, from Anglo-French (s')entreferir to strike one another, from entre- inter- + ferir to strike, from Latin ferire — more at bore
First Known Use: 15th century

Synonym Discussion of INTERFERE

interpose, interfere, intervene, mediate, intercede mean to come or go between. interpose often implies no more than this <interposed herself between him and the door>. interfere implies hindering <noise interfered with my concentration>. intervene may imply an occurring in space or time between two things or a stepping in to stop a conflict <quarreled until the manager intervened>. mediate implies intervening between hostile factions <mediated between the parties>. intercede implies acting for an offender in begging mercy or forgiveness <interceded on our behalf>.
INTERFERER Defined for Kids

interfere

verb in·ter·fere \ˌin-tər-ˈfir\
in·ter·feredin·ter·fer·ing

Definition of INTERFERE for Kids

1
:  to get in the way of as an obstacle <Hills interfere with the radio signal.>
2
:  to become involved in the concerns of others when such involvement is not wanted <Stop interfering in my private matters.>
Medical Dictionary

interfere

intransitive verb in·ter·fere \ˌint-ə(r)-ˈfi(ə)r\
in·ter·feredin·ter·fer·ing

Medical Definition of INTERFERE

1
:  to strike one foot against the opposite foot or ankle in walking or running—used especially of horses
2
:  to act reciprocally so as to augment, diminish, or otherwise affect one another—used of waves
3
:  to be inconsistent with and disturb the performance of previously learned behavior

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