👉 In the context of a sentence or phrase, "fainest" is a noun that refers to the most excellent, outstanding, or best of something. It typically means the very highest or pinnacle achievement in a particular field, profession, or other area. For example: 1. The fainst thing I've ever seen was a painting by an artist who had just turned 30 years old. 2. Despite her efforts, she never achieved any fainst results in her career.