Webster's 1828 Dictionary

INTERLOPER

n.One who runs into business to which he has no right; one who interferes wrongfully; one who enters a country or place to trade without license.

 

Webster's 1913 Dictionary

INTERLOPER

In "ter *lo `per, n. Etym: [Pref. inter- + D. looper a runner, fr. loopen to run; akin to E. leap. See Leap, and cf. Elope. ]

 

Defn: One who interlopes; one who interlopes; one who unlawfully intrudes upon a property, a station, or an office; one who interferes wrongfully or officiously. The untrained man, ... the interloper as to the professions. I.Taylor.

 

New American Oxford Dictionary

interloper

in ter lop er |ˈintərˌlōpər, ˌintərˈlōpər ˈɪn (t )ərˌloʊpər | ▶noun a person who becomes involved in a place or situation where they are not wanted or are considered not to belong. DERIVATIVES in ter lope |ˈintərˌlōp, ˌintərˈlōp |verb ORIGIN late 16th cent. (denoting an unauthorized trader trespassing on the rights of a trade monopoly ): from inter- ‘amid ’ + -loper as in archaic landloper ‘vagabond ’ (from Middle Dutch landlooper ).

 

Oxford Dictionary

interloper

interloper |ˈɪntələʊpə | ▶noun a person who becomes involved in a place or situation where they are not wanted or are considered not to belong. DERIVATIVES interlope verb ORIGIN late 16th cent. (denoting an unauthorized trader trespassing on the rights of a trade monopoly ): from inter- ‘amid ’ + -loper as in archaic landloper ‘vagabond ’ (from Middle Dutch landlooper ).

 

American Oxford Thesaurus

interloper

interloper noun we were made to feel more like interlopers than vacationers: intruder, encroacher, trespasser, invader, infiltrator; uninvited guest; outsider, stranger, alien; informal gatecrasher, buttinsky.

 

Oxford Thesaurus

interloper

interloper noun they were a close community and could not abide interlopers: intruder, encroacher, trespasser, invader, infiltrator, unwanted person, unwanted visitor, uninvited guest; outsider, stranger, immigrant, foreigner, alien, newcomer; informal gatecrasher.

 

Sanseido Wisdom Dictionary

interloper

in ter lop er /ɪ́ntə r lòʊpə r /名詞 C 干渉する人, じゃまをする人, でしゃばり ; もぐり営業者 .