(+ with) to get in the way or be a hindrance

Noise interferes with my work

(often + in) to enter into or take a part in matters that do not concern one

I've told you not to interfere

said of sound, light, etc waves: to act so as to augment, diminish, or otherwise affect one another

(+ with) in sport, to hinder illegally an attempt of a player to catch or hit a ball or puck

informal (+ with) to carry out a sexual assault, esp one that falls short of rape

to claim priority for an invention

said of a horse: to hit a hoof against the opposite leg when walking