brushless

From brush + -less.

brushless (not comparable)

1. Not requiring the use of a brush.
   1. Of an electric motor: that does not use brushes, physical contacts for the commutator.

      a brushless motor

   2. Not requiring the use of a hairbrush, scrubbing brush, or other brush.

      a brushless shaving cream

      a brushless finish on the concrete

• shrubless