Definition of keep it simple short and simple in English English dictionary
The term KISS is an acronym of the phrase "Keep It Simple, Stupid", and the KISS principle states that design simplicity should be a key goal and unnecessary complexity avoided. It serves as a useful and frequent verbal exhortation (or even dedicated policy) in software development, animation, engineering, and in strategic planning (especially military operations). Other versions of the phrase include "Keep It Simple & Stupid" (most recently used in west-European literature), "Keep It Sweet & Simple," "Keep It Short & Simple," "Keep it Simple, Sweetheart," and "Keep it Simple, Sherlock," and the obvious scatological variation