25B6; adjective
an off-putting aroma : UNPLEASANT, unappealing, uninviting, unattractive, disagreeable, offensive, distasteful, unsavoury, unpalatable, unappetizing, objectionable, nasty, disgusting, repellent; informal horrid, horrible.
her manner was off-putting : DISCOURAGING, disheartening, demoralizing, dispiriting, daunting, disconcerting, unnerving, unsettling; formal rebarbative.