Synonyms: rebarbative, repellant, repellent
Definition: serving or tending to repel
Usage: he became rebarbative and prickly and spiteful; I find his obsequiousness repellent
Similar words: unpleasant
Definition: disagreeable to the senses, to the mind, or feelings
Usage: an unpleasant personality; unpleasant repercussions; unpleasant odors