intruder B2 Topic:Space, Position & Direction US /ənˈtɹudɚ/ UK /ɪnˈtɹuː.də(ɹ)/ See IPA manual Freq #8650 Meanings 1 noun Someone who enters a place or property without permission. The alarm went off when an intruder broke into the house. Thesaurus Synonyms 1 noun · someone who enters a place... interloper Word family Forms intruders Etymology AI details From intrude + -er. *trewd- Proto-Indo-European View etymology graph -> Topics Space, Position & Direction External links Cambridge Dictionary Wiktionary Google Images # intruder **Type:** Word **Level:** B2 **Part of speech:** noun **IPA (US):** /ənˈtɹudɚ/ **IPA (UK):** /ɪnˈtɹuː.də(ɹ)/ **Frequency rank:** 8650 ## Meanings 1. Someone who enters a place or property without permission. ## Examples - The alarm went off when an intruder broke into the house. ## Roots and Affixes - Root: *trewd- ## Etymology From intrude + -er. ## AI Etymology Intruder comes from intrude + -er. The analysis is mainly morphological: the modern nominal form is built from the named base and affix. The historical line also includes *trewd-. ## Topics - Space, Position & Direction markdown