WordNet (r) 3.0 (2006):
jaywalker n 1: a reckless pedestrian who crosses a street illegallyMoby Thesaurus II by Grady Ward, 1.0:
18 Moby Thesaurus words for "jaywalker": ambulator, backpacker, foot passenger, foot soldier, foot traveler, footslogger, hiker, hitchhiker, hoofer, infantryman, marcher, paddlefoot, pedestrian, peripatetic, trailsman, tramper, walker, walkist