The Collaborative International Dictionary of English v.0.48:

Lout \Lout\ (lout), v. i. [OE. louten, luten, AS. l[=u]tan; akin
   to Icel. l[=u]ta, Dan. lude, OHG. l[=u]z[=e]n to lie hid.]
   To bend; to box; to stoop. [Archaic] --Chaucer. --Longfellow.
   [1913 Webster]

         He fair the knight saluted, louting low. --Spenser.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Lout \Lout\, n. [Formerly also written lowt.]
   A clownish, awkward fellow; a bumpkin. --Sir P. Sidney.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Lout \Lout\, v. t.
   To treat as a lout or fool; to neglect; to disappoint. [Obs.]
   --Shak.
   [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

84 Moby Thesaurus words for "lout":
   Babbitt, Philistine, arriviste, babe, blockhead, blunderer,
   blunderhead, boor, botcher, bounder, bourgeois, bucolic, bumbler,
   bumpkin, bungler, cad, child, child of nature, churl, clod,
   clodhopper, clodknocker, clot, clown, country bumpkin, deride,
   dolt, dove, dupe, epicier, farmer, fumbler, gawk, gawky, gowk,
   groundling, guttersnipe, hayseed, hick, hillbilly, hooligan,
   ill-bred fellow, infant, ingenue, innocent, klutz, lamb, lobster,
   looby, low fellow, lubber, lummox, lump, mere child, mock, mucker,
   noble savage, nouveau riche, oaf, ox, palooka, parvenu, peasant,
   quiz, rally, razz, ribald, rough, roughneck, rowdy, rube, ruffian,
   rustic, scout, simple soul, slouch, slubberer, taunt, twit,
   unsophisticate, upstart, vulgarian, vulgarist, yokel