The Collaborative International Dictionary of English v.0.48:

Tie \Tie\, v. t. [imp. & p. p. Tied(Obs. Tight); p. pr. &
   vb. n. Tying.] [OE. ti?en, teyen, AS. t[imac]gan,
   ti['e]gan, fr. te['a]g, te['a]h, a rope; akin to Icel. taug,
   and AS. te['o]n to draw, to pull. See Tug, v. t., and cf.
   Tow to drag.]
   1. To fasten with a band or cord and knot; to bind. "Tie the
      kine to the cart." --1 Sam. vi. 7.
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            My son, keep thy father's commandment, and forsake
            not the law of thy mother: bind them continually
            upon thine heart, and tie them about thy neck.
                                                  --Prov. vi.
                                                  20,21.
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   2. To form, as a knot, by interlacing or complicating a cord;
      also, to interlace, or form a knot in; as, to tie a cord
      to a tree; to knit; to knot. "We do not tie this knot with
      an intention to puzzle the argument." --Bp. Burnet.
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   3. To unite firmly; to fasten; to hold.
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            In bond of virtuous love together tied. --Fairfax.
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   4. To hold or constrain by authority or moral influence, as
      by knotted cords; to oblige; to constrain; to restrain; to
      confine.
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            Not tied to rules of policy, you find
            Revenge less sweet than a forgiving mind. --Dryden.
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   5. (Mus.) To unite, as notes, by a cross line, or by a curved
      line, or slur, drawn over or under them.
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   6. To make an equal score with, in a contest; to be even
      with.
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   To ride and tie. See under Ride.

   To tie down.
      (a) To fasten so as to prevent from rising.
      (b) To restrain; to confine; to hinder from action.

   To tie up, to confine; to restrain; to hinder from motion
      or action.
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The Collaborative International Dictionary of English v.0.48:

Tight \Tight\, v. t.
   To tighten. [Obs.]
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The Collaborative International Dictionary of English v.0.48:

Tight \Tight\ (t[imac]t), obs.
   p. p. of Tie. --Spenser.
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The Collaborative International Dictionary of English v.0.48:

Tight \Tight\, a. [Compar. Tighter (t[imac]t"[~e]r); superl.
   Tightest.] [OE. tight, thiht; probably of Scand. origin;
   cf. Icel. [thorn][=e]ttr, Dan. t[ae]t, Sw. t[aum]t: akin to
   D. & G. dicht thick, tight, and perhaps to E. thee to thrive,
   or to thick. Cf. Taut.]
   1. Firmly held together; compact; not loose or open; as,
      tight cloth; a tight knot.
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   2. Close, so as not to admit the passage of a liquid or other
      fluid; not leaky; as, a tight ship; a tight cask; a tight
      room; -- often used in this sense as the second member of
      a compound; as, water-tight; air-tight.
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   3. Fitting close, or too close, to the body; as, a tight coat
      or other garment.
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   4. Not ragged; whole; neat; tidy.
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            Clad very plain, but clean and tight. --Evelyn.
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            I'll spin and card, and keep our children tight.
                                                  --Gay.
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   5. Close; parsimonious; saving; as, a man tight in his
      dealings. [Colloq.]
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   6. Not slack or loose; firmly stretched; taut; -- applied to
      a rope, chain, or the like, extended or stretched out.
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   7. Handy; adroit; brisk. [Obs.] --Shak.
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   8. Somewhat intoxicated; tipsy. [Slang]
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   9. (Com.) Pressing; stringent; not easy; firmly held; dear;
      -- said of money or the money market. Cf. Easy, 7.
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WordNet (r) 3.0 (2006):

tight
    adv 1: firmly or closely; "held fast to the rope"; "her foot was
           stuck fast"; "held tight" [syn: fast, tight]
    2: in an attentive manner; "he remained close on his guard"
       [syn: close, closely, tight]
    adj 1: closely constrained or constricted or constricting;
           "tight skirts"; "he hated tight starched collars";
           "fingers closed in a tight fist"; "a tight feeling in his
           chest" [ant: loose]
    2: pulled or drawn tight; "taut sails"; "a tight drumhead"; "a
       tight rope" [syn: taut, tight]
    3: set so close together as to be invulnerable to penetration;
       "in tight formation"; "a tight blockade"
    4: pressed tightly together; "with lips compressed" [syn:
       compressed, tight]
    5: (used of persons or behavior) characterized by or indicative
       of lack of generosity; "a mean person"; "he left a miserly
       tip" [syn: mean, mingy, miserly, tight]
    6: affected by scarcity and expensive to borrow; "tight money";
       "a tight market"
    7: of such close construction as to be impermeable; "a tight
       roof"; "warm in our tight little house" [ant: leaky]
    8: of textiles; "a close weave"; "smooth percale with a very
       tight weave" [syn: close, tight]
    9: securely or solidly fixed in place; rigid; "the bolts are
       tight"
    10: (of a contest or contestants) evenly matched; "a close
        contest"; "a close election"; "a tight game" [syn: close,
        tight]
    11: very drunk [syn: besotted, blind drunk, blotto,
        crocked, cockeyed, fuddled, loaded, pie-eyed,
        pissed, pixilated, plastered, slopped, sloshed,
        smashed, soaked, soused, sozzled, squiffy,
        stiff, tight, wet]
    12: exasperatingly difficult to handle or circumvent; "a nasty
        problem"; "a good man to have on your side in a tight
        situation" [syn: nasty, tight]
    13: demanding strict attention to rules and procedures;
        "rigorous discipline"; "tight security"; "stringent safety
        measures" [syn: rigorous, stringent, tight]
    14: packed closely together; "they stood in a tight little
        group"; "hair in tight curls"; "the pub was packed tight"

Moby Thesaurus II by Grady Ward, 1.0:

328 Moby Thesaurus words for "tight":
   Spartan, abbreviated, abridged, afflicted, airtight, all ataunto,
   anal, angustifoliate, angustirostrate, angustisellate,
   angustiseptal, aposiopestic, arduous, ataunt, austere, autocratic,
   avaricious, ballproof, bent, binding, boiled, bombed, bombproof,
   bonded, boozy, brief, brusque, bulletproof, bungup and bilge-free,
   burglarproof, canned, cemented, cheap, cheeseparing, chinchy,
   chintzy, circumscribed, clipped, close, close-fitting, closefisted,
   closely, cockeyed, cockeyed drunk, compact, compactly, compendious,
   compressed, concise, condensed, confined, connected, consecutive,
   consistent, constricted, continuous, contracted, corrosionproof,
   cramp, cramped, crisp, critical, crocked, crocko, crowded, curt,
   cut, dampproof, dangerous, dear, dense, densely, difficult, dinky,
   distressing, disturbing, docked, dragged out, drawn, drawn out,
   drunk, drunken, dustproof, dusttight, elevated, elliptic,
   elongated, epigrammatic, exacting, exiguous, expensive, extended,
   fast, fastened, fire-resisting, fireproof, firm, firmly, fixed,
   fixedly, flameproof, foolproof, fried, fuddled, gasproof, gastight,
   glued, gnomic, half-seas over, hard and fast, hardfisted, harsh,
   hazardous, hermetic, hermetically sealed, high, holeproof,
   illiberal, illuminated, impenetrable, impermeable, impervious,
   impervious to, incapacious, incommodious, inebriated, inflexible,
   infrequent, inseparably, intoxicated, isthmian, isthmic, jammed,
   joined, laconic, leakproof, lengthened, lightproof, lighttight,
   limited, lit, lit up, loaded, lubricated, lushy, meager, mean,
   mingy, miserly, muzzy, narrow, near, neat, niggardly, noiseproof,
   oiled, oilproof, oiltight, orderly, organized, parsimonious,
   penny-pinching, penurious, perilous, pickled, piddling, pie-eyed,
   pinchfisted, pinching, pissed, pissy-eyed, pithy, plastered,
   pointed, pokerlike, polluted, poor, potted, precarious,
   problematic, prolongated, prolonged, proof, proof against,
   protracted, pruned, pulled, punctureproof, punishing, raddled,
   rainproof, raintight, ramrodlike, rare, renitent, reserved,
   resistant, restricted, restrictive, rigid, rigorous, risky,
   rodlike, rough, rustproof, save-all, scant, scanty, scarce,
   scattered, scrimping, scrimpy, sealed, secure, secured, securely,
   seldom met with, seldom seen, sententious, sequent, sequential,
   serial, set, severe, shatterproof, shellacked, shellproof,
   shipshape, short, short and sweet, shortened, shut fast, skimping,
   skimpy, skintight, skunk-drunk, sleek, slender, slick, slim, smart,
   smashed, smokeproof, smoketight, snug, soaked, solid, solidly,
   soundproof, soused, sparse, spotty, sprinkled, spruce, spun out,
   squiffy, starched, starchy, staunch, steadfast, steadfastly, stern,
   stewed, sticky, stiff, stiff as buckram, stingy, stinko,
   stormproof, stormtight, straggling, strained, strait, stretched,
   stretched out, strict, stringent, strung out, stuck, succinct,
   summary, swacked, synopsized, taciturn, tanked, taped, taut,
   tenacious, tense, terse, thick, thin, ticklish, tiddly, tidy,
   tight-fisted, tightened, tightfisted, tightly, tipsy, to the point,
   touch-and-go, touchy, tough, tricksy, tricky, trig, trim,
   truncated, trying, uncompromising, under the influence, ungenerous,
   uninterrupted, unrelaxed, unyielding, upsetting, virgate,
   water-repellant, waterproof, watertight, weatherproof, wedged,
   well-cared-for, well-groomed, windproof, windtight, woozy