causing distaste or aversion; repulsive.

forcing or driving back.

serving or tending to ward off or drive away.

impervious or resistant to something (often used in combination)

moth-repellant.

something that repels, as a substance that keeps away insects.

a medicine that serves to prevent or reduce swellings, tumors, etc.

any of various durable or nondurable solutions applied to a fabric, garment, surface, etc., to increase its resistance, as to water, moths, mildew, etc.

adjective

atrocious , disgusting , foul , horrid , nasty , nauseating , repulsive , revolting , sickening , ugly , unwholesome , vile , hateful , loathsome , offensive , repelling