The Collaborative International Dictionary of English v.0.48:

Pedestrian \Pe*des"tri*an\, a.
   1. Going on foot; performed on foot; as, a pedestrian
      journey.
      [1913 Webster]

   2. Lacking in distinction or imaginativeness; ordinary;
      commonplace; dull; insipid; prosaic; as, pedestrian prose.
      [PJC]

The Collaborative International Dictionary of English v.0.48:

Pedestrian \Pe*des"tri*an\, n.
   A walker; one who journeys on foot; a foot traveler; specif.,
   a professional walker or runner.
   [1913 Webster]

WordNet (r) 3.0 (2006):

pedestrian
    adj 1: lacking wit or imagination; "a pedestrian movie plot"
           [syn: pedestrian, prosaic, prosy, earthbound]
    n 1: a person who travels by foot [syn: pedestrian, walker,
         footer]

Moby Thesaurus II by Grady Ward, 1.0:

159 Moby Thesaurus words for "pedestrian":
   ambler, ambulant, ambulative, ambulator, ambulatory, arid, artless,
   backpacker, banal, banausic, barren, blah, blank, bloodless,
   boring, characterless, circuit-riding, cold, colorless, common,
   commonplace, dead, dim, dismal, draggy, drearisome, dreary, dry,
   dryasdust, dull, dusty, effete, elephantine, empty, etiolated,
   expeditionary, fade, flat, foot passenger, foot soldier,
   foot traveler, footslogger, globe-girdling, globe-trotting, going,
   hackneyed, half-assed, heavy, hiker, hitchhiker, ho-hum, hollow,
   hoofer, humdrum, inadept, inane, inapt, inattentive, inefficient,
   inept, inexcitable, inexpert, infantryman, insipid, itinerant,
   itinerary, jaywalker, jejune, journeying, leaden, lifeless,
   locomotive, low-spirited, marcher, matter-of-fact, mediocre,
   monotone, monotonous, moving, mundane, mundivagant, on foot,
   on tour, ordinary, paddlefoot, pale, pallid, passing,
   perambulating, perambulatory, peregrinative, peregrine,
   peripatetic, pilgrimlike, plain, platitudinous, plodding,
   poetryless, pointless, poky, ponderous, poor, progressing, prosaic,
   prosing, prosy, rambler, rambling, run-of-the-mill, skill-less,
   slow, solemn, spiritless, stale, sterile, stiff, stock, stodgy,
   stroller, strolling, stuffy, superficial, tasteless, tedious,
   thoughtless, tiresome, touring, touristic, touristy, trailsman,
   tramper, traveling, trekking, trite, truistic, unapt, undeft,
   undexterous, undextrous, unembellished, unfacile, unidealistic,
   unimaginative, unimpassioned, uninspired, unintelligent,
   uninteresting, unlively, unpoetic, unproficient, unromantic,
   unskillful, vapid, walker, walking, walkist, wayfaring,
   wishy-washy, wooden



The Devil's Dictionary (1881-1906):

PEDESTRIAN, n.  The variable (an audible) part of the roadway for an
automobile.