intruder

UK/in'tru:dә/US

TOEFLB2

Definitions

A person who enters a place illegally or without permission

闯入者，侵入者

Root Breakdown

Root-derived

in-not, opposite of

trudthrust, push, shove

-erone who does, agent

=intruder

in- (in) + trud (push) + -er (one who) = "the one who pushes in" — a person who enters where they don't belong, especially a stranger breaking into a home.

Root trud still carries 10 more words

Example Sentences

1.
The dog barked loudly at the intruder in the yard.
2.
An alarm goes off the moment an intruder opens the door.

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