The Collaborative International Dictionary of English v.0.48:

Thrust \Thrust\, v. i.
   1. To make a push; to attack with a pointed weapon; as, a
      fencer thrusts at his antagonist.
      [1913 Webster]

   2. To enter by pushing; to squeeze in.
      [1913 Webster]

            And thrust between my father and the god. --Dryden.
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   3. To push forward; to come with force; to press on; to
      intrude. "Young, old, thrust there in mighty concourse."
      --Chapman.
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   To thrust to, to rush upon. [Obs.]
      [1913 Webster]

            As doth an eager hound
            Thrust to an hind within some covert glade.
                                                  --Spenser.
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The Collaborative International Dictionary of English v.0.48:

Thrust \Thrust\, n. & v.
   Thrist. [Obs.] --Spenser.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Thrust \Thrust\, v. t. [imp. & p. p. Thrust; p. pr. & vb. n.
   Thrusting.] [OE. ?rusten, ?risten, ?resten, Icel. ?r?st? to
   thrust, press, force, compel; perhaps akin to E. threat.]
   1. To push or drive with force; to drive, force, or impel; to
      shove; as, to thrust anything with the hand or foot, or
      with an instrument.
      [1913 Webster]

            Into a dungeon thrust, to work with slaves.
                                                  --Milton.
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   2. To stab; to pierce; -- usually with through.
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   To thrust away or To thrust from, to push away; to
      reject.

   To thrust in, to push or drive in.

   To thrust off, to push away.

   To thrust on, to impel; to urge.

   To thrust one's self in or To thrust one's self into, to
      obtrude upon, to intrude, as into a room; to enter (a
      place) where one is not invited or not welcome.

   To thrust out, to drive out or away; to expel.

   To thrust through, to pierce; to stab. "I am eight times
      thrust through the doublet." --Shak.

   To thrust together, to compress.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Thrust \Thrust\, n.
   1. A violent push or driving, as with a pointed weapon moved
      in the direction of its length, or with the hand or foot,
      or with any instrument; a stab; -- a word much used as a
      term of fencing.
      [1913 Webster]

            [Polites] Pyrrhus with his lance pursues,
            And often reaches, and his thrusts renews. --Dryden.
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   2. An attack; an assault.
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            One thrust at your pure, pretended mechanism. --Dr.
                                                  H. More.
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   3. (Mech.) The force or pressure of one part of a
      construction against other parts; especially (Arch.), a
      horizontal or diagonal outward pressure, as of an arch
      against its abutments, or of rafters against the wall
      which support them.
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   4. (Mining) The breaking down of the roof of a gallery under
      its superincumbent weight.
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   Thrust bearing (Screw Steamers), a bearing arranged to
      receive the thrust or endwise pressure of the screw shaft.


   Thrust plane (Geol.), the surface along which dislocation
      has taken place in the case of a reversed fault.
      [1913 Webster]

   Syn: Push; shove; assault; attack.

   Usage: Thrust, Push, Shove. Push and shove usually
          imply the application of force by a body already in
          contact with the body to be impelled. Thrust, often,
          but not always, implies the impulse or application of
          force by a body which is in motion before it reaches
          the body to be impelled.
          [1913 Webster]

WordNet (r) 3.0 (2006):

thrust
    n 1: the force used in pushing; "the push of the water on the
         walls of the tank"; "the thrust of the jet engines" [syn:
         push, thrust]
    2: a strong blow with a knife or other sharp pointed instrument;
       "one strong stab to the heart killed him" [syn: stab,
       thrust, knife thrust]
    3: the act of applying force to propel something; "after
       reaching the desired velocity the drive is cut off" [syn:
       drive, thrust, driving force]
    4: verbal criticism; "he enlivened his editorials with barbed
       thrusts at politicians"
    5: a sharp hand gesture (resembling a blow); "he warned me with
       a jab with his finger"; "he made a thrusting motion with his
       fist" [syn: jab, jabbing, poke, poking, thrust,
       thrusting]
    v 1: push forcefully; "He thrust his chin forward"
    2: press or force; "Stuff money into an envelope"; "She thrust
       the letter into his hand" [syn: thrust, stuff, shove,
       squeeze]
    3: make a thrusting forward movement [syn: lunge, hurl,
       hurtle, thrust]
    4: impose urgently, importunately, or inexorably; "She forced
       her diet fads on him" [syn: force, thrust]
    5: penetrate or cut through with a sharp instrument [syn:
       pierce, thrust]
    6: force (molten rock) into pre-existing rock
    7: push upward; "The front of the trains that had collided head-
       on thrust up into the air" [syn: thrust, push up]
    8: place or put with great energy; "She threw the blanket around
       the child"; "thrust the money in the hands of the beggar"
       [syn: throw, thrust]

Moby Thesaurus II by Grady Ward, 1.0:

222 Moby Thesaurus words for "thrust":
   acceleration, actuate, advance, advance against, advance upon,
   afterburner, aggressiveness, animate, assault, atomic power, bang,
   bear, bear down upon, bear upon, bearing, best part, better part,
   body, boost, bowl, buck, bulk, bull, bulldoze, bump, bump against,
   bunt, burden, butt, butt against, cast, charge, chuck, clap, clout,
   compel, compulsion, core, counterattack, cram, crowd, cut, dash,
   dig, drive, drive on, driving force, elbow, electric power,
   electropower, embed, energy, enterprise, essence, exhaust, feint,
   fire, flank, fling, force, force upon, forward, fuel, gas,
   generality, get-up-and-go, getaway, ginger, gist, give an impetus,
   give momentum, goad, gravamen, head, home thrust, horsepower, hurl,
   hurtle, hustle, hydraulic power, hydroelectric power, impale,
   impel, impellent, impelling force, impetus, impose on, impose upon,
   impulse, impulsion, incentive, incite, incitement, infiltrate,
   initiative, irresistible force, jab, jam, jet power,
   jet propulsion, jog, joggle, jolt, jostle, kick, launch an attack,
   line of flight, liquid oxygen, lunge, main body, major part,
   majority, manpower, march against, march upon, mass, meat, moment,
   momentum, most, motivate, motive power, mount an attack, move,
   nuclear power, nudge, open an offensive, pass, pedal, pep, pepper,
   pickup, pierce, pile drive, piss and vinegar, piston power, pith,
   pizzazz, plank, plop, plump, plunge, plunk, plurality, poke, pole,
   poop, power, press, press on, press upon, pressure, prod, propel,
   propellant, propelling, propelment, propulsion, propulsion charge,
   pulsion, punch, purport, push, pushing, put, put in motion,
   quickening, ram, ram down, rattle, reaction propulsion,
   rocket power, rocket propulsion, roll, row, run, run against,
   sense, set agoing, set going, set in motion, shake, short,
   shoulder, shove, shoving, shunt, sink, slap, snap, solar power,
   speedup, spunk, stab, starch, steam power, step-up, stick, stress,
   strike, substance, sweep, sweep along, swing, tamp,
   thermonuclear power, throw, thrust upon, toss, treadle, troll,
   trundle, upshot, urge, urge on, urge upon, verve, vim, water power,
   whip on, zing, zip