tending or apt to intrude; coming without invitation or welcome: intrusive memories of a lost love.
characterized by or involving intrusion.
intruding; thrusting in.
4. Geology. a.
(of a rock) having been forced between preexisting rocks or rock layers while in a molten or plastic condition.
noting or pertaining to plutonic rocks.
1. annoying, bothersome, interfering, distracting, irksome, worrisome, troublesome, irritating, disturbing.