A deep prolonged loud noise.

synonyms: roar, roaring, thunder.

Roget 717: defense, protection, guard, ward; shielding etc. v.; propugnation^†, preservation etc. 670; guardianship.    area defense; site defense.    self-defense, self-preservation; resistance etc. 719.    safeguard etc. (safety) 664; balistraria^†; bunker, screen etc. (shelter) 666; camouflage etc. (concealment) 530; fortification; munition, muniment^†; trench, foxhole; bulwark, fosse^†, moat, ditch, entrenchment, intrenchment^†; kila^†; dike, dyke; parapet, sunk fence, embankment, mound, mole, bank, sandbag, revetment; earth work, field-work; fence, wall dead wall, contravallation^†; paling etc. (inclosure) 232; palisade, haha, stockade, stoccado^†, laager^†, sangar^†; barrier, barricade; boom; portcullis, chevaux de frise [Fr.]; abatis, abattis^†, abbatis^†; vallum^†, circumvallation^†, battlement, rampart, scarp; escarp^†, counter-scarp; glacis, casemate^†; vallation^†, vanfos^†.    buttress, abutment; shore etc. (support) 215.    breastwork, banquette, curtain, mantlet^†, bastion, redan^†, ravelin^†; vauntmure^†; advance work, horn work, outwork; barbacan^†, barbican; redoubt; fort-elage [Fr.], fort-alice; lines.    loophole, machicolation^†; sally port.    hold, stronghold, fastness; asylum etc. (refuge) 666; keep, donjon, dungeon, fortress, citadel, capitol, castle; tower of strength, tower of strength; fort, barracoon^†, pah^†, sconce, martello tower^†, peelhouse^†, blockhouse, rath^†; wooden walls.    [body armor] bulletproof vest, armored vest, buffer, corner stone, fender, apron, mask, gauntlet, thimble, carapace, armor, shield, buckler, aegis, breastplate, backplate^†, cowcatcher, face guard, scutum^†, cuirass, habergeon^†, mail, coat of mail, brigandine^†, hauberk, lorication^†, helmet, helm, bassinet, salade^†, heaume^†, morion^†, murrion^†, armet^†, cabaset^†, vizor^†, casquetel^†, siege cap, headpiece, casque, pickelhaube, vambrace^†, shako etc. (dress) 225.    bearskin; panoply; truncheon etc. (weapon) 727.    garrison, picket, piquet; defender, protector; guardian etc. (safety) 664; bodyguard, champion; knight-errant, Paladin; propugner^†.    bulletproof window.    hardened site.    ... show more

Roget 706: prevention, preclusion, obstruction, stoppage; embolus, embolism [Med.]; infarct [Med.]; interruption, interception, interclusion^†; hindrance, impedition^†; retardment^†, retardation; embarrassment, oppilation^†; coarctation^†, stricture, restriction; restraint etc. 751; inhibition etc. 761; blockade etc. (closure) 261.    interference, interposition; obtrusion; discouragement, discountenance.    impediment, let, obstacle, obstruction, knot, knag^†; check, hitch, contretemps, screw loose, grit in the oil.    bar, stile, barrier; [barrier to vehicles] turnstile, turnpike; gate, portcullis.    beaver dam; trocha^†; barricade etc. (defense) 717; wall, dead wall, sea wall, levee breakwater, groyne^†; bulkhead, block, buffer; stopper etc. 263; boom, dam, weir, burrock^†.    drawback, objection; stumbling-block, stumbling-stone; lion in the path, snag; snags and sawyers.    encumbrance, incumbrance^†; clog, skid, shoe, spoke; drag, drag chain, drag weight; stay, stop; preventive, prophylactic; load, burden, fardel^†, onus, millstone round one's neck, impedimenta; dead weight; lumber, pack; nightmare, Ephialtes^†, incubus, old man of the sea; remora.    difficulty etc. 704; insuperable etc. 471; obstacle; estoppel [Law]; ill wind; head wind etc. (opposition) 708; trammel, tether etc. (means of restraint) 752; hold back, counterpoise.    [person who hinders] damper, wet blanket, hinderer, marplot, killjoy; party pooper [Coll.]; party crasher, interloper.    trail of a red herring; opponent etc. 710.    ... show more

Roget 406: snap etc. v.; rapping etc. v.; decrepitation, crepitation; report, thud; burst, explosion, blast, boom, discharge, detonation, firing, salvo, volley.    squib, cracker, firecracker, cherry bomb, M80, gun, cap, cap gun, popgun.    implosion.    bomb burst, atomic explosion, nuclear explosion (arms) 727.    [explosive substances] gunpowder, dynamite, gun cotton, nitroglycerine, nitrocellulose, plastic explosive, plastique, TNT, cordite, trinitrotoluene, picric acid, picrates, mercury fulminate (arms) 727.    whack, wham, pow.    ... show more

Roget 215: support, ground, foundation, base, basis; terra firma; bearing, fulcrum, bait [U.S.], caudex crib^†; point d'appui [Fr.], pou sto [Gr.], purchase footing, hold, locus standi [Lat.]; landing place, landing stage; stage, platform; block; rest, resting place; groundwork, substratum, riprap, sustentation, subvention; floor etc. (basement) 211.    supporter; aid etc. 707; prop, stand, anvil, fulciment^†; cue rest, jigger; monkey; stay, shore, skid, rib, truss, bandage; sleeper; stirrup, stilts, shoe, sole, heel, splint, lap, bar, rod, boom, sprit^†, outrigger; ratlings^†.    staff, stick, crutch, alpenstock, baton, staddle^†; bourdon^†, cowlstaff^†, lathi^†, mahlstick^†.    post, pillar, shaft, thill^†, column, pilaster; pediment, pedicle; pedestal; plinth, shank, leg, socle^†, zocle^†; buttress, jamb, mullion, abutment; baluster, banister, stanchion; balustrade; headstone; upright; door post, jamb, door jamb.    frame, framework; scaffold, skeleton, beam, rafter, girder, lintel, joist, travis^†, trave^†, corner stone, summer, transom; rung, round, step, sill; angle rafter, hip rafter; cantilever, modillion^†; crown post, king post; vertebra.    columella^†, backbone; keystone; axle, axletree; axis; arch, mainstay.    trunnion, pivot, rowlock^†; peg etc. (pendency) 214^†; tiebeam etc. (fastening) 45; thole pin^†.    board, ledge, shelf, hob, bracket, trevet^†, trivet, arbor, rack; mantel, mantle piece [Fr.], mantleshelf^†; slab, console; counter, dresser; flange, corbel; table, trestle; shoulder; perch; horse; easel, desk; clotheshorse, hatrack; retable; teapoy^†.    seat, throne, dais; divan, musnud^†; chair, bench, form, stool, sofa, settee, stall; arm chair, easy chair, elbow chair, rocking chair; couch, fauteuil [Fr.], woolsack^†, ottoman, settle, squab, bench; aparejo^†, faldstool^†, horn; long chair, long sleeve chair, morris chair; lamba chauki^†, lamba kursi^†; saddle, pannel^†, pillion; side saddle, pack saddle; pommel.    bed, berth, pallet, tester, crib, cot, hammock, shakedown, trucklebed^†, cradle, litter, stretcher, bedstead; four poster, French bed, bunk, kip, palang^†; bedding, bichhona, mattress, paillasse^†; pillow, bolster; mat, rug, cushion.    footstool, hassock; tabouret^†; tripod, monopod.    Atlas, Persides, Atlantes^†, Caryatides, Hercules.    ... show more

Roget 404: loudness, power; loud noise, din; blare; clang, clangor; clatter, noise, bombilation^†, roar, uproar, racket, hubbub, bobbery^†, fracas, charivari^†, trumpet blast, flourish of trumpets, fanfare, tintamarre^†, peal, swell, blast, larum^†, boom; bang (explosion) 406; resonance etc. 408.    vociferation, hullabaloo, etc. 411; lungs; Stentor.    artillery, cannon; thunder.    ... show more

Dutch: geloei
Polish: huk, łoskot

A state of economic prosperity.

Dutch: hoogconjunctuur
Polish: faza rozkwitu

A sudden happening that brings good fortune (as a sudden opportunity to make money):
— The demand for testing has created a boom for those unregulated laboratories where boxes of specimen jars are processed like an assembly line.

synonyms: bonanza, bunce, godsend, gold rush, gravy, manna from heaven, windfall.

Dutch: godsgeschenk, saus, buitenkans, buitenkansje, explosie, kaan
Polish: manna z nieba

A pole carrying an overhead microphone projected over a film or tv set.

synonym: microphone boom.

Polish: mikrofon na tyczce, mikrofon na żurawiu

Any of various more-or-less horizontal spars or poles used to extend the foot of a sail or for handling cargo or in mooring.

Polish: bom, bum

Make a resonant sound, like artillery:
— His deep voice boomed through the hall.

synonym: din.

Roget 276: give an impetus etc. n.; impel, push; start, give a start to, set going; drive, urge, boom; thrust, prod, foin [Fr.]; cant; elbow, shoulder, jostle, justle^†, hustle, hurtle, shove, jog, jolt, encounter; run against, bump against, butt against; knock one's head against, run one's head against; impinge; boost [U.S.]; bunt, carom, clip y; fan, fan out; jab, plug [Slang].    strike, knock, hit, tap, rap, slap, flap, dab, pat, thump, beat, blow, bang, slam, dash; punch, thwack, whack; hit hard, strike hard; swap, batter, dowse^†, baste; pelt, patter, buffet, belabor; fetch one a blow; poke at, pink, lunge, yerk^†; kick, calcitrate^†; butt, strike at etc. (attack) 716; whip etc. (punish) 972.    come into a collision, enter into collision; collide; sideswipe; foul; fall foul of, run foul of; telescope.    throw etc. (propel) 284.    ... show more

Roget 274: move quickly, trip, fisk^†; speed, hie, hasten, post, spank, scuttle; scud, scuddle^†; scour, scour the plain; scamper; run like mad, beat it; fly, race, run a race, cut away, shot, tear, whisk, zoom, swoosh, sweep, skim, brush; cut along, bowl along, barrel along, barrel; scorch, burn up the track; rush etc. (be violent) 173; dash on, dash off, dash forward; bolt; trot, gallop, amble, troll, bound, flit, spring, dart, boom; march in quick time, march in double time; ride hard, get over the ground.    hurry etc. (hasten) 684; accelerate, put on; quicken; quicken one's pace, mend one's pace; clap spurs to one's horse; make haste, make rapid strides, make forced marches, make the best of one's way; put one's best leg foremost, stir one's stumps, wing one's way, set off at a score; carry sail, crowd sail; go off like a shot, go like a shot, go ahead, gain ground; outstrip the wind, fly on the wings of the wind.    keep up with, keep pace with; outstrip etc. 303; outmarch^†.    ... show more

Roget 267: sail; put to sea etc. (depart) 293; take ship, get under way; set sail, spread sail, spread canvas; gather way, have way on; make sail, carry sail; plow the waves, plow the deep, plow the main, plow the ocean; walk the waters.    navigate, warp, luff^†, scud, boom, kedge; drift, course, cruise, coast; hug the shore, hug the land; circumnavigate.    ply the oar, row, paddle, pull, scull, punt, steam.    swim, float; buffet the waves, ride the storm, skim, effleurer [Fr.], dive, wade.    fly, be wafted, hover, soar, flutter, jet, orbit, rocket; take wing, take a flight, take off, ascend, blast off, land, alight; wing one's flight, wing one's way; aviate; parachute, jump, glide.    ... show more

Dutch: dreunen, donderen

Hit hard.

synonyms: blast, nail, smash.

Roget 406: rap, snap, tap, knock, ping; click; clash; crack, crackle; crash; pop; slam, bang, blast, boom, clap, clang, clack, whack, wham; brustle^†; burst on the ear; crepitate, rump.    blow up, blow; detonate.    ... show more

Be the case that thunder is being heard.

synonym: thunder.

Roget 404: be loud etc. adj.; peal, swell, clang, boom, thunder, blare, fulminate, roar; resound etc. 408.    speak up, shout etc. (vociferate) 411; bellow etc. (cry as an animal) 412.    rend the air, rend the skies; fill the air; din in the ear, ring in the ear, thunder in the ear; pierce the ears, split the ears, rend the ears, split the head; deafen, stun; faire le diable a quatre [Fr.]; make one's windows shake, rattle the windows; awaken the echoes, startle the echoes; wake the dead.    ... show more

Dutch: donderen, onweren

Make a deep hollow sound:
— Her voice booms out the words of the song.

synonym: boom out.

Grow vigorously:
— Business is booming.

synonyms: expand, flourish, thrive.

Dutch: bloeien, floreren