12 letters · 27 points in Scrabble
noun a broad highway designed for high-speed traffic
noun an extensive electronic network (such as the internet) used for the rapid transfer of sound and video and graphics in digital form
originEtymology tree Proto-Indo-European *úp Proto-Indo-European *-er Proto-Indo-European *upér Proto-Italic *super Latin super Latin super-lbor. English super- English highway English superhighway From super- + highway.
Etymology from Wiktionary, CC BY-SA 3.0