S: (v) lengthen (become long or longer) "In Spring, the days lengthen"
Adjective
S: (adj) elongated, extended, lengthened, prolonged (drawn out or made longer spatially) "Picasso's elongated Don Quixote"; "lengthened skirts are fashionable this year"; "the extended airport runways can accommodate larger planes"; "a prolonged black line across the page"