intruder intrude • intruding · · · Info · Definitions · Synonyms · Characters · · intruder · · Text Latin · · Script 8 · · Length Definitions · · · (noun) someone who intrudes on the privacy or property of another without permission. Synonyms: interloper, trespasser. · · Noun Definition 1 Synonyms · · · interloper · · Synonym 1 trespasser · · Synonym 2 Characters · · d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075