<p><strong>Adjective:</strong></p><ul><li>tending or apt to intrude; coming without invitation or welcome: intrusive memories of a lost love.</li></ul><p><strong>Synonyms:</strong></p><ul><li>disturbing</li><li>irritating</li><li>troublesome</li><li>worrisome</li><li>irksome</li><li>bothersome</li><li>annoying</li></ul><p><strong>Characterized by:</strong></p><ul><li>or involving intrusion.</li><li>intruding; thrusting in.</li></ul><p><strong>Geology:</strong></p><ul><li>(of a rock) having been forced between preexisting rocks or rock layers while in a molten or plastic condition.</li><li>noting or pertaining to plutonic rocks.</li></ul><p><strong>Phonetics:</strong></p><ul><li>excrescent (def 2).</li></ul>