The Collaborative International Dictionary of English v.0.48:

Steep \Steep\, n.
   1. Something steeped, or used in steeping; a fertilizing
      liquid to hasten the germination of seeds.
      [1913 Webster]

   2. A rennet bag. [Prov. Eng.]
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Steep \Steep\, a. [Compar. Steeper (-[~e]r); superl.
   Steepest.] [OE. steep, step, AS. ste['a]p; akin to Icel.
   steyp[eth]r steep, and st[=u]pa to stoop, Sw. stupa to fall,
   to tilt; cf. OFries. stap high. Cf. Stoop, v. i., Steep,
   v. t., Steeple.]
   1. Making a large angle with the plane of the horizon;
      ascending or descending rapidly with respect to a
      horizontal line or a level; precipitous; as, a steep hill
      or mountain; a steep roof; a steep ascent; a steep
      declivity; a steep barometric gradient.
      [1913 Webster]

   2. Difficult of access; not easily reached; lofty; elevated;
      high. [Obs.] --Chapman.
      [1913 Webster]

   3. Excessive; as, a steep price. [Slang]
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Steep \Steep\ (st[=e]p), a.
   Bright; glittering; fiery. [Obs.]
   [1913 Webster]

         His eyen steep, and rolling in his head. --Chaucer.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Steep \Steep\, v. t. [imp. & p. p. Steeped (st[=e]pt); p. pr.
   & vb. n. Steeping.] [OE. stepen, probably fr. Icel. steypa
   to cause to stoop, cast down, pour out, to cast metals,
   causative of st[=u]pa to stoop; cf. Sw. st["o]pa to cast, to
   steep, Dan. st["o]be, D. & G. stippen to steep, to dip. Cf.
   Stoop, v. i.]
   To soak in a liquid; to macerate; to extract the essence of
   by soaking; as, to soften seed by steeping it in water. Often
   used figuratively.
   [1913 Webster]

         Let fancy still my sense in Lethe steep. --Shak.
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         In refreshing dew to steep
         The little, trembling flowers.           --Wordsworth.
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         The learned of the nation were steeped in Latin.
                                                  --Earle.
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The Collaborative International Dictionary of English v.0.48:

Steep \Steep\, v. i.
   To undergo the process of soaking in a liquid; as, the tea is
   steeping. [Colloq.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Steep \Steep\, n.
   A precipitous place, hill, mountain, rock, or ascent; any
   elevated object sloping with a large angle to the plane of
   the horizon; a precipice. --Dryden.
   [1913 Webster]

         We had on each side naked rocks and mountains broken
         into a thousand irregular steeps and precipices.
                                                  --Addison.
   [1913 Webster]

         Bare steeps, where desolation stalks.    --Wordsworth.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

brasilein \bra*sil"e*in\, C16H12O5, to which brazilwood owes
   its dyeing properties.
   [Webster 1913 Suppl.] Brasque \Brasque\, n. [F.] (Metal.)
   A paste made by mixing powdered charcoal, coal, or coke with
   clay, molasses, tar, or other suitable substance. It is used
   for lining hearths, crucibles, etc. Called also steep.
   [Webster 1913 Suppl.]

WordNet (r) 3.0 (2006):

steep
    adj 1: having a sharp inclination; "the steep attic stairs";
           "steep cliffs" [ant: gradual]
    2: greatly exceeding bounds of reason or moderation; "exorbitant
       rent"; "extortionate prices"; "spends an outrageous amount on
       entertainment"; "usurious interest rate"; "unconscionable
       spending" [syn: exorbitant, extortionate, outrageous,
       steep, unconscionable, usurious]
    3: of a slope; set at a high angle; "note the steep incline"; "a
       steep roof sheds snow"
    n 1: a steep place (as on a hill)
    v 1: devote (oneself) fully to; "He immersed himself into his
         studies" [syn: steep, immerse, engulf, plunge,
         engross, absorb, soak up]
    2: let sit in a liquid to extract a flavor or to cleanse; "steep
       the blossoms in oil"; "steep the fruit in alcohol" [syn:
       steep, infuse]

Moby Thesaurus II by Grady Ward, 1.0:

250 Moby Thesaurus words for "steep":
   Herculean, Olympian, Olympian heights, a bit much, abandoned,
   abrupt, abstruse, acme, aerial, aerial heights, airy, altitudinous,
   apex, arduous, ascending, aspiring, bathe, besprinkle, bluff, bold,
   boundless, breakneck, breathe, brew, brutal, bury, cliff, color,
   colossal, complex, concentrate, costly, crag, critical, dear,
   dear-bought, decoct, delicate, demanding, difficile, difficult,
   distill, dizzy heights, dominating, douche, douse, dredge, drench,
   drouk, dye, egregious, elevated, elevation, eminence, eminent,
   enormous, entincture, escarpment, essentialize, ether, ethereal,
   exacting, exaggerated, exalted, excessive, exorbitant, expensive,
   express, extortionate, extravagant, extreme, fabulous, face, fancy,
   fill, flavor, flush, formidable, gigantic, gluttonous, hairy, hard,
   hard-earned, hard-fought, haughty, headlong, heaven, heavens,
   height, heights, high, high-pitched, high-priced, high-reaching,
   high-set, high-up, hyperbolic, hypertrophied, imbrue, imbue,
   immerse, immoderate, impregnate, incontinent, infiltrate, infuse,
   ingrain, inject, inoculate, inordinate, instill, intemperate,
   intricate, inundate, invest, jawbreaking, knotted, knotty,
   laborious, lave, leach, leaven, lift, lixiviate, lofty, luxurious,
   macerate, marinate, mean, melt down, monstrous, monumental,
   mounting, no picnic, not affordable, not easy, of great cost,
   operose, orthodiagonal, orthogonal, out of bounds, out of sight,
   outrageous, outtopping, overbig, overdeveloped, overgreat,
   overgrown, overlarge, overlooking, overmuch, overpriced,
   overtopping, overweening, palisade, palisades, penetrate,
   percolate, permeate, perpendicular, pervade, pickle, plumb,
   plunging, precipice, precipitous, premium, press out, pricey,
   prominent, raise, rapid, refine, render, rich, right-angle,
   right-angled, right-angular, rigorous, rinse, rise, rising ground,
   rough, rugged, saturate, scar, scarp, season, seethe,
   set with thorns, severe, sharp, sheer, sky, soak, soaring, sodden,
   sop, souse, spiny, spiring, stiff, straight-up,
   straight-up-and-down, stratosphere, strenuous, sublime, submerge,
   suffuse, sumptuous, superlative, supernal, temper, thorny,
   ticklish, tincture, tinge, toilsome, too much, top, topless,
   toplofty, topping, tough, towering, towery, transfuse, tricky,
   unbridled, unconscionable, undue, unpayable, unreasonable,
   unrestrained, up-and-down, uphill, uplifted, upreared, uprise,
   vantage ground, vantage point, vertical, wall, wash, waterlog, wet,
   wicked, wring, wring out, zenith