Repellent/rɪˈpelənt/ Definition 1 of 3Pro Tip 1/3Emotional Reaction Indicates strong negative feelings towards someone's behavior or opinion. His dismissive comments were so repellent, I had to walk away. Pro Tip 2/3Not Physical Used to describe an objectionable quality, not a physical barrier. Her condescending tone was repellent to her colleagues. Pro Tip 3/3Avoid Overuse Use sparingly to avoid diluting its strong impact. He was normally polite, which made his sudden repellent behavior even more shocking.