Tin·der ˈTindər/ noun a dating application [made of] dry, flammable material, used for lighting a fire "Sadly, after two of the little piggies went on Tinder, their plans went up in flames." ... About a year into my ODE (online dating experience), I started talking to this guy on Tinder. He was an engineer and seemed interesting, so we got to texting back and forth pretty regularly. After many hellos, good mornings, how are you?'s, and bit of witty back-and-forth banter, he a