Plain and Simple is an expression that is used to describe something that is straightforward and uncomplicated. It can be used to describe a person, a situation, or an object. The term can be broken down into two words: MERE and NONONSENSE. MERE is an adjective meaning 'nothing more than what is stated; sheer; bare; simple; unadorned'. NONONSENSE is an adjective meaning 'not having any sense or meaning; foolish; absurd; ridiculous'. Together, these two words form the phrase Plain and Simple, which is used to describe something that is straightforward and uncomplicated.