Princeton's WordNet

1. intervention, intercession(noun)

   the act of intervening (as to mediate a dispute, etc.)

   "it occurs without human intervention"

2. intervention, interference(noun)

   a policy of intervening in the affairs of other countries

3. interposition, intervention(noun)

   the act or fact of interposing one thing between or among others

4. intervention(noun)

   (law) a proceeding that permits a person to enter into a lawsuit already in progress; admission of person not an original party to the suit so that person can protect some right or interest that is allegedly affected by the proceedings

   "the purpose of intervention is to prevent unnecessary duplication of lawsuits"

5. treatment, intervention(noun)

   care provided to improve a situation (especially medical procedures or applications that are intended to relieve illness or injury)

Kernerman English Learner's Dictionary

1. intervention(noun)ˌɪn tərˈvɛn ʃən

   involvement in order to change what is happening

   military intervention

Wiktionary

1. intervention(Noun)

   The action of intervening; interfering in some course of events.

2. intervention(Noun)

   A legal motion through which a person or entity who has not been named as a party to a case seeks to have the court order that they be made a party.

Webster Dictionary

1. Intervention(noun)

   the act of intervening; interposition

2. Intervention(noun)

   any interference that may affect the interests of others; especially, of one or more states with the affairs of another; mediation

3. Intervention(noun)

   the act by which a third person, to protect his own interest, interposes and becomes a party to a suit pending between other parties

Dictionary of Military and Associated Terms

1. intervention

   Action taken to divert a unit or force from its track, flight path, or mission.

• tussenkomsAfrikaans
• تَدَخُّل في نِزاعArabic
• намесаBulgarian
• intervençãoPortuguese (BR)
• zákrokCzech
• das EingreifenGerman
• indgriben; interventionDanish
• μεσολάβηση, παρέμβασηGreek
• intervenciónSpanish
• vahelesegamineEstonian
• مداخلهFarsi
• väliintuloFinnish
• interventionFrench
• הִתעָרבוּתHebrew
• मध्यवर्तHindi
• intervencijaCroatian
• beavatkozásHungarian
• perbuatan ikut campurIndonesian
• meðalganga; afskiptiIcelandic
• interventoItalian
• 仲裁Japanese
• 중재Korean
• įsikišimasLithuanian
• iejaukšanāsLatvian
• campur tanganMalay
• tussenkomstDutch
• innblandingNorwegian
• interwencjaPolish
• مداخلهPersian
• مداخلهPashto
• intervençãoPortuguese
• intervenţieRomanian
• вмешательствоRussian
• zásah; zákrokSlovak
• posredovanjeSlovenian
• intervencijaSerbian
• intervention, ingripande, inskridandeSwedish
• การแทรกแซงThai
• araya girmeTurkish
• 干預，介入Chinese (Trad.)
• втручання; інтервенціяUkrainian
• مداخلتUrdu
• sự can thiệpVietnamese
• 干预，介入Chinese (Simp.)