The term ARP, FOR ONE is a 7 letter crossword solution which refers to the French artist Jean Arp, who was a leading figure in the Dadaist movement. Dadaism was an artistic and literary movement that began in Zurich, Switzerland in 1916 and was characterized by its anti-war sentiment and rejection of traditional values. Jean Arp was a key contributor to the movement, creating abstract sculptures and paintings that often incorporated chance elements.