To disregard (something), to dismiss or ignore (someone), as unimportant.
Used other than figuratively or idiomatically: see brush, off. To remove something with a brush.
To reject, put off (a request, demand etc.).
To ward off (a malignant influence, attack etc.).
To drive back (an assailant, advancing force etc.).
To cause repulsion or dislike in; to disgust.
To save (a shot).
To force away by means of a repulsive force.