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Meaning of JAM

Pronunciation:  jam

WordNet Dictionary
  1. [n]  deliberate radiation or reflection of electromagnetic energy for the purpose of disrupting enemy use of electronic devices or systems
  2. [n]  preserve of crushed fruit
  3. [n]  a dense crowd of people
  4. [n]  informal terms for a difficult situation; "he got into a terrible fix"; "he made a muddle of his marriage"
  5. [v]  interfere with or prevent the reception of signals; "Jam the Voice of America"; "block the signals emitted by this station"
  6. [v]  eat until one is sated; "He filled up on turkey"
  7. [v]  block passage through; "obstruct the path"
  8. [v]  crush or bruise; "jam a toe"
  9. [v]  crowd or pack to capacity; "the theater was jampacked"
  10. [v]  get stuck and immobilized; "the mechanism jammed"
  11. [v]  push forcibly, as of brakes; "The driver jammed the brake pedal to the floor"
  12. [v]  press tightly together or cram; "The crowd packed the auditorium"

JAM is a 3 letter word that starts with J.


 Synonyms: block, block, chock up, close up, cram, cram, crush, crush, electronic jamming, fill, fill up, fix, hole, impede, jamming, jampack, kettle of fish, mess, mob, muddle, obstruct, obturate, occlude, pack, pack, pickle, pile, press, ram, stuff, throng, wad
 Antonyms: disengage, free
 See Also: asphyxiate, back up, bar, barrage jamming, barricade, barricado, binge, block off, block out, block up, blockade, break up, bruise, choke, choke off, clog, clog up, congest, conserve, conserves, contuse, crowd, crowd, crowd together, cut off, dam, dam up, difficulty, disrupt, dog's breakfast, dog's dinner, earth up, ECM, electronic countermeasures, englut, engorge, force, foul, glut, gorge, gormandise, gormandize, gourmandize, hinder, ingurgitate, interrupt, land up, malfunction, misfunction, overeat, overgorge, overindulge, pig out, preserve, preserves, push, satiate, scarf out, screen, selective jamming, snarl-up, spot jamming, strawberry jam, strawberry preserves, stuff, suffocate, tie up, traffic jam



Webster's 1913 Dictionary
  1. \Jam\, n. [Per. or Hind. j[=a]mah garment, robe.]
    A kind of frock for children.
  2. \Jam\, n. (Mining)
    See {Jamb}.
  3. \Jam\, v. t. [imp. & p. p. {Jammed}; p. pr. & vb. n.
    {Jamming}.] [Either fr. jamb, as if squeezed between jambs,
    or more likely from the same source as champ See {Champ}.]
    1. To press into a close or tight position; to crowd; to
       squeeze; to wedge in.
             The . . . jammed in between two rocks. --De Foe.
    2. To crush or bruise; as, to jam a finger in the crack of a
       door. [Colloq.]
    3. (Naut.) To bring (a vessel) so close to the wind that half
       her upper sails are laid aback. --W. C. Russell.
  4. \Jam\, n.
    1. A mass of people or objects crowded together; also, the
       pressure from a crowd; a crush; as, a jam in a street; a
       jam of logs in a river.
    2. An injury caused by jamming. [Colloq.]
  5. \Jam\, n. [Prob. fr. jam, v.; but cf. also Ar. jamad ice,
    jelly, j[=a]mid congealed, jamd congelation, ice.]
    A preserve of fruit boiled with sugar and water; as,
    raspberry jam; currant jam; grape jam.
    {Jam nut}. See {Check nut}, under {Check}.
    {Jam weld} (Forging), a butt weld. See under {Butt}.
Computing Dictionary
  1. John and Martin. An interpreted forth-like graphics language by John Warnock and Martin Newell, xerox parc, 1978. JaM was the forerunner of both interpress and postscript. It is mentioned in PostScript Language reference Manual, Adobe Systems, A-W 1985.

  2. A condition on a network where two nodes transmitting simultaneously detect the collision and continue to transmit for a certain time (4 to 6 bytes on Ethernet) to ensure that the collision has been detected by all nodes involved.

Dream Dictionary
 Definition: Dreaming that you are Seeing or eating jam means pleasant surprises and new discoveries. Consider also the pun, "caught in a jam" which mean that you may find yourself in a little problem. Dreaming that you are making jam, foretells of a happy home life. Dreaming that you are spreading jam indicates that you may be spreading yourself too thin. You have too many responsibilities and commitments and need to learn to say no.
Biology Dictionary
 Definition: Wedged collection of drift in a constriction of a channel, such as a gorge or bridge opening.
Thesaurus Terms
 Related Terms: a mass of, a world of, abound with, afterthought, albumen, arch dam, army, articulate, assault, backstop, baffle, bafflement, bamboo curtain, bank, bar, barrage, barricade, barrier, batten, batten down, batter, be alive with, beam, bear, bear upon, bearings, bear-trap dam, beaver dam, bed, bevy, bewilderment, bind, blancmange, blank wall, blind alley, blind gut, block, block up, blockade, blockage, bolt, bonnyclabber, boom, boost, bother, bottleneck, box, breakwater, breastwork, brick wall, brim, bristle with, buck, buckle, buffer, bulkhead, bull, bulldoze, bulwark, bump, bump against, bunch, bung, bunt, bureaucratic delay, burst with, butt, butt against, butter, button, candy, case, catch, caulk, cecum, charge, chink, chock, choke, choke off, choke up, choking, choking off, circumstance, clabber, clasp, cleat, clip, clog, clog up, close, close off, close tight, close up, cloud, cluster, clutch, clutter, cofferdam, cohue, comfit, compact, complication, compote, compress, concentrate, condense, condition, confection, confectionery, confirm, confiture, confoundment, confusion, congest, congestion, conserve, consolidate, constipate, constipation, constrict, cork, corner, cornstarch, costiveness, cover, covey, cram, crawl with, cream, creep with, crowd, crunch, crush, cul-de-sac, curd, dam, dam up, dead end, debar, deep-dye, defense, define, delay, delayage, delayed reaction, deluge, densen, densify, detention, dig, dike, dilemma, discomposure, disconcert, disconcertedness, disconcertion, disconcertment, disturbance, ditch, dog, double take, dough, dovetail, dragging, drench, drive, drown out, earthwork, egg white, elbow, embankment, embarrassing position, embarrassment, embed, embolism, embolus, engraft, engrave, enigma, entrench, establish, estate, etch, fence, fill, fill to overflowing, fill up, fine how-do-you-do, fix, flight, flock, flocks, flood, footing, force, foul, found, freight, frosting, galaxy, gate, gaum, gel, gelatin, glair, glaze, glop, glue, glut, gluten, gluttonize, goad, goo, gook, goop, gorge, gravity dam, Great Mogul, groin, ground, gruel, gumbo, gunk, hail, halt, hang-up, hasp, heap, hell to pay, hindrance, hinge, hitch, hive, hobble, holdup, hole, honey, hook, horde, host, hot water, how-do-you-do, hurtle, hustle, hydraulic-fill dam, icing, imbroglio, impact, impasse, impediment, implant, impress, imprint, infarct, infarction, infix, ingrain, inscribe, interim, iron curtain, jab, jam-pack, jell, Jell-O, jelly, jetty, jog, joggle, joint, jolt, jostle, lade, lag, lagging, large amount, latch, leaping weir, legion, levee, load, loblolly, location, lock, lodge, logjam, lot, lots, maharaja, many, marmalade, mass, masses of, meringue, mess, milldam, miter, mix, moat, mob, modality, mode, Mogul, molasses, mole, morass, moratorium, mortise, mound, mousse, muchness, mucilage, mucus, multiply, multitude, mystery, nail, nest, nizam, nonplus, nudge, numbers, obstacle, obstipate, obstipation, obstruct, obstruction, occlude, outroar, outshout, overburden, overcharge, overfeed, overfill, overflow with, overlade, overload, overpower, overstuff, overweight, overwhelm, pack, pad, pang, panoply, pap, paperasserie, parapet, parlous straits, pass, paste, pause, peg, perplexity, perturbation, pickle, pile drive, pin, pinch, place, plant, plight, plug, plug up, plurality, poke, porridge, portcullis, position, posture, pother, predicament, preserve, press, pretty pass, pretty pickle, pretty predicament, print, problem, prod, pudding, pullulate with, pulp, punch, puree, push, putty, puzzle, puzzlement, quagmire, quandary, quantities, quicksand, quite a few, rabbet, rabble, radiate, raja, ram, ram down, ram in, rampart, rana, rank, rattle, red tape, red-tapeism, red-tapery, reprieve, respite, retardance, retardation, riddle, rivet, roadblock, rob, rock-fill dam, root, rout, ruck, run, run against, satiate, saturate, scores, scrape, screw, sealing off, seat, seawall, semifluid, semiliquid, send, set, set in, settle, sew, shake, shoal, shoulder, shout down, shove, shut off, shut out, shut tight, shutter dam, situation, size, skewer, slough, slowdown, slowness, slow-up, snap, soak, solidify, soup, spate, spile, spot, squab, squash, squeeze, squeeze shut, squish, stamp, stanch, standing, staple, starch, state, station, status, stay, stay of execution, stench, stereotype, stew, stick, stick fast, sticky mess, sticky wicket, stifle, stitch, stone wall, stop, stop up, stoppage, stopper, stopple, strait, straits, strangle, strangulate, strangulation, stress, strike root, stuff, stuff up, suffocate, supercharge, supersaturate, surcharge, surfeit, suspension, swamp, swarm, swarm with, sweet, sweet stuff, sweetmeat, sweets, syrup, tack, take root, tamp, teem with, throng, throng with, thrust, tidy sum, tie-up, tight spot, tight squeeze, tightrope, time lag, toggle, top off, transmit, treacle, tricky spot, tutti-frutti, unassuredness, unholy mess, upset, wad, wait, wall, wedge, weight, weir, whipped cream, wicket dam, work, worlds of, zipper