The crossword solution for the term STATE OF NERVOUSNESS is FUNK, a four-letter word. FUNK is a genre of music that originated in the United States in the late 1960s and early 1970s. It is characterized by a strong rhythmic groove of a bass line played by an electric bassist and drum patterns with syncopated drum fills. FUNK also incorporates elements of soul, jazz, and R&B. The term FUNK has come to be associated with a state of nervousness or agitation, which is why it was used as a solution for the term STATE OF NERVOUSNESS.