Synonyms of interloper

interloper

noun

ˌin-tər-ˈlō-pər 

as in intruder

a person who meddles in the affairs of others

summer residents were regarded as interlopers who had no deep commitment to the town's welfare

Synonyms & Similar Words

• intruder
• spy
• meddler
• busybody
• gossiper
• buttinsky
• interferer
• betrayer
• kibitzer
• intermeddler
• informant
• gossip
• informer
• snake
• snoop
• nosey parker
• peeper
• snooper
• gazer
• gawker
• gaper
• rubberneck
• tattler
• tattletale
• teller
• revealer
• sneak
• prattler
• peeping Tom
• quidnunc
• prier
• discloser
• rubbernecker
• gawper
• telltale
• squealer
• stool pigeon
• talebearer
• snitcher
• blabber

Example Sentences

Recent Examples of interloper

An analysis of the recordings showed that the parents behaved aggressively toward the divers more often when the human interlopers were staring at the offspring or the parent, compared with when the diver was looking in another direction or completely turned away. —Gennaro Tomma, Scientific American, 17 Mar. 2026

One 2009 estimate showed that removing the hundreds of thousands of these interlopers in the lower Colorado basin could bring 1 million acre-feet of water back to the watershed. —Shi En Kim, AZCentral.com, 13 Mar. 2026

The interloper into our cosmic neighborhood came from the general direction of the constellation Sagittarius, where the central region of our Milky Way galaxy is located. —Eric Lagatta, USA Today, 4 Mar. 2026

Most genocides begin with extraordinarily compelling stories—ones that transform neighbors and friends into interlopers, invaders, infections, and infestations. —Sayantani Dasgupta february 24, Literary Hub, 24 Feb. 2026