[{"Bold_text": "verb (used with object)", "List Items": ["to bend, as a part of the body:He flexed his arms to show off his muscles.", "to tighten (a muscle) by contraction.", "to demonstrate (one’s ability, expertise, etc.):She’s flexed her marketing skills for various clients in the publishing industry.", "Slang.to boast or brag about; flaunt :He’s just not into flexing his success."]}, {"Bold_text": "verb (used without object)", "List Items": ["to bend.", "Slang.to boast or brag; show off:In his rap lyrics he flexes about his fancy lifestyle."]}, {"Bold_text": "noun", "List Items": ["the act of flexing.", "Slang.a boast or brag:It's not a flex, but we have the best burgers here.", "British.any flexible , insulated electric cord; an electric cord or extension cord.Slang.an elastic band, as a garter.", "any flexible , insulated electric cord; an electric cord or extension cord.", "Slang.an elastic band, as a garter.", "Mathematics.an inflection point."]}, {"Bold_text": "verb phrase", "List Items": ["Slang.to brag or show off to; assert one’s dominance or superiority over:She’s flexing on her haters by posting new photos of her beautiful family."]}, {"Bold_text": "adjective", "List Items": ["Informal. flexible :a flex program of workers' benefits."]}, {"Bold_text": null, "List Items": ["a combining form representing flexible compound words:flextime."]}]