Kind of Definition 1 of 3Pro Tip 1/3Downplaying Feelings Use 'kind of' to make stronger emotions or opinions sound less intense. I'm kind of upset about the changes. Pro Tip 2/3Common Overuse Be cautious of overusing 'kind of' as it might lead to vague expressions. She's kind of my friend, I guess. Pro Tip 3/3Expressing Doubt 'Kind of' may signal you're not completely sure about what you're saying. I kind of think it's going to rain.