One definition I've heard that I like: A startup is a company that hasn't found or proven a reproducible and sustainable business model yet. Basically a start

One definition I've heard that I like: A startup is a company that hasn't found or proven a reproducible and sustainable business model yet. Basically a startup is a company that hasn't yet found a way to reliably bring in enough money to operate. I think this definition can also apply to non-tech startups like a grocery store.