intruder

From intrude +‎ -er.

• (Canada) IPA^(key): /ənˈtɹudɚ/
• (UK) IPA^(key): /ɪnˈtɹuː.də(ɹ)/

• Audio (Southern England):

  (file)

intruder (plural intruders)

1. Someone who intrudes.

   All intruders will be shot!

• intrude
• intrusion

• gatecrasher, interloper, peeping tom, persona non grata, encroacher, backseat driver, kibitzer, meddler, nosy parker, marplot, buttinsky, busybody

• nutrider