interloper
C1/C2Formal or literary; occasionally journalistic.
Definition
Meaning
A person who becomes involved in a place or situation where they are not wanted or are considered not to belong.
A party or entity, often commercial, that enters a market or domain without official invitation or sanction, disrupting established players.
Linguistics
Semantic Notes
Always carries a negative connotation of unwelcome intrusion, often implying opportunistic or inappropriate presence. Suggests the person lacks legitimate rights or authority.
Dialectal Variation
British vs American Usage
Differences
Meaning is identical. Slightly more common in British English in historical/literary contexts, but equally used in modern American English.
Connotations
Identical; both imply unwelcome, disruptive intrusion.
Frequency
Low-medium frequency in both varieties, with a slight edge to UK in historical corpora. In contemporary use, frequency is comparable, especially in business/tech contexts.
Vocabulary
Collocations
Grammar
Valency Patterns
[interloper] in [domain/market][interloper] into [situation/group]regard/view/treat [NP] as an [interloper]Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “To play the interloper”
Usage
Context Usage
Business
Describes a company entering an established market, often with disruptive technology or practices, e.g., 'The fintech startup was seen as an unwelcome interloper by traditional banks.'
Academic
Used in historical/sociological texts to describe colonial settlers, uninvited groups in social systems, or disruptive thinkers in a field.
Everyday
Used to describe someone who joins a private gathering uninvited or inserts themselves into a conversation or family dispute.
Technical
Rare in hard sciences. In computing/security, may describe an unauthorized process or node in a network.
Examples
By Part of Speech
verb
British English
- To interlope is considered a grave breach of etiquette in such clubs.
- He was accused of interloping in the trade negotiations.
American English
- The startup was interloping in a heavily regulated industry.
- They felt she was interloping in their family affairs.
adverb
British English
- He acted interloperly, inserting himself into matters that were none of his concern. (Note: extremely rare, often hyphenated: interloper-like)
American English
- She behaved interloper-like, asking pointed questions at the private meeting. (Note: adverbial use is non-standard and rare)
adjective
British English
- The interloping firm faced fierce resistance from the old guard.
- His interloping comments were met with stony silence.
American English
- The interloping tech giant disrupted the entire sector.
- She gave the interloping journalist a cold stare.
Examples
By CEFR Level
- The man felt like an interloper at the family party.
- The new company was an interloper in the mobile phone market.
- The established members viewed the ambitious newcomer as a mere interloper.
- As a political interloper, she faced scepticism from the party old guard.
- The biotech firm was initially dismissed as an insignificant interloper, but it soon revolutionised the industry.
- His research, though groundbreaking, was for years derided as the work of an academic interloper from a unrelated field.
Learning
Memory Aids
Mnemonic
Think: INTER-LOPER = someone who LOPES (runs/moves) IN BETWEEN (inter-) a group where they don't belong.
Conceptual Metaphor
SOCIAL/COMMERCIAL SPACE IS PHYSICAL TERRITORY (intruding into bounded space).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid translating as 'посредник' (mediator) or 'вмешивающийся' (interferer). Closer concepts: 'незваный гость' (uninvited guest), 'чужа́к' (stranger/outsider with negative connotation), 'захватчик' (usurper/invader, but stronger).
Common Mistakes
- Confusing with 'intermediary' (a go-between). Mispronouncing as /ɪnˈtɜː.ləʊ.pə/ (stress on second syllable). Using in a positive context.
Practice
Quiz
In which context is 'interloper' LEAST appropriate?
FAQ
Frequently Asked Questions
Almost never. Its core meaning is an unwelcome, inappropriate intrusion. A 'disruptive innovator' might be viewed positively by some, but calling them an 'interloper' frames them negatively from the perspective of the established group.
Primarily, but it is commonly extended to companies, organisations, or even ideas that intrude into a sphere. E.g., 'The streaming service was an interloper in the television industry.'
They are close synonyms. 'Intruder' is more general and often implies physical trespassing (e.g., into a building). 'Interloper' is more specific to social, commercial, or political contexts, emphasising lack of belonging or welcome in a group, system, or activity.
Etymology: Entered English late 16th century. From 'inter-' (between) + archaic verb 'lope' (to run, leap, from Middle Dutch 'lopen'), influenced by 'landloper' (vagabond). Originally referred to an unauthorized trader trespassing on the rights of a trade monopoly.