Word Study
explorer
CIDE DICTIONARY
explorer, n.
One who explores; also, an apparatus with which one explores, as a diving bell. [1913 Webster]
OXFORD DICTIONARY
explorer, n. a traveller into undiscovered or uninvestigated territory, esp. to get scientific information.
THESAURUS
explorer
adventurer, alpinist, ancestor, announcer, antecedent, astronaut, avant-garde, bellwether, buccinator, bushwhacker, camper, climber, comers and goers, commuter, cosmopolite, cruiser, excursionist, fare, forebear, foregoer, forerunner, front runner, frontiersman, fugleman, globe-girdler, globe-trotter, goer, groundbreaker, guide, hajji, harbinger, herald, innovator, jet set, jet-setter, journeyer, lead runner, leader, mariner, messenger, mountaineer, palmer, passenger, passerby, pathfinder, pilgrim, pioneer, point, precedent, precursor, predecessor, rubberneck, rubbernecker, sailor, scout, sightseer, stormy petrel, straphanger, tourer, tourist, trailblazer, trailbreaker, transient, traveler, trekker, tripper, vanguard, vaunt-courier, viator, visiting fireman, voortrekker, voyager, voyageur, wayfarer, world-travelerROGET THESAURUS
explorer
Traveler
N traveler, wayfarer, voyager, itinerant, passenger, commuter, tourist, excursionist, explorer, adventurer, mountaineer, hiker, backpacker, Alpine Club, peregrinator, wanderer, rover, straggler, rambler, bird of passage, gadabout, gadling, vagrant, scatterling, landloper, waifs and estrays, wastrel, foundling, loafer, tramp, tramper, vagabond, nomad, Bohemian, gypsy, Arab, Wandering Jew, Hadji, pilgrim, palmer, peripatetic, somnambulist, emigrant, fugitive, refugee, beach comber, booly, globegirdler, globetrotter, vagrant, hobo, night walker, sleep walker, noctambulist, runabout, straphanger, swagman, swagsman, trecker, trekker, zingano, zingaro, runner, courier, Mercury, Iris, Ariel, comet, pedestrian, walker, foot passenger, cyclist, wheelman, rider, horseman, equestrian, cavalier, jockey, roughrider, trainer, breaker, driver, coachman, whip, Jehu, charioteer, postilion, postboy, carter, wagoner, drayman, cabman, cabdriver, voiturier, vetturino, condottiere, engine driver, stoker, fireman, guard, chauffeur, conductor, engineer, gharry-wallah, gari-wala, hackman, syce, truckman, on the road.For further exploring for "explorer" in Webster Dictionary Online