rock

I

(New American Roget's College Thesaurus)

v. i. swing, sway, oscillate, teeter. See oscillation. —n. crag, boulder, cliff, stone; refuge, haven, support, defense; slang, diamond, jewel, gem. See land, stability.

II

(Roget's IV) n.

1. [A solidified form of earth]

Syn. stone, mineral mass, dike, mineral body, earth crust; see also metal , mineral , ore .

Types of rocks include: igneous, sedimentary, stratified, metamorphic; concretion, gypsum, alabaster, limestone, freestone, lodestone, sandstone, conglomerate, marble, dolomite; chalk, soapstone, slate, shale, mica; granite, lava, pumice, basalt, felsite, peridot, quartz, obsidian, porphyry, rhyolite, ironstone, gneiss, tufa, schist.

2. [A piece of rock, sense 1]

Syn. stone, boulder, cobblestone, pebble, fieldstone, cliff, crag, promontory, scarp, escarpment, reef, chip, flake, sliver, building stone, paving block, slab.

3. [Anything firm or solid]

Syn. defense, support, Rock of Gibraltar; see foundation 2 .

4. [Rhythmic popular music]

Syn. rock-and-roll, heavy metal, hard rock, punk rock, progressive rock, acid rock, country rock, folk rock, rhythm and blues, soul music, Motown, funk, house music, dance music, disco, pop; see also dance 1 , music 1 .

• on the rocks*

5. bankrupt, destitute, impoverished; see poor 1 , ruined 4 .

6. in ruins, foundered, in a shambles; see ruined 2 .

7. over ice cubes, on ice, undiluted, straight.

v.

Syn. sway, vibrate, reel, totter, swing, move, push and pull, agitate, roll, pitch, shake, shove, jolt, jiggle, quake, convulse, tremble, undulate, oscillate, quiver, quaver, wobble; see also wave 3 .

III

(Roget's 3 Superthesaurus)

I

n.

1. stone boulder, pebble, rubble, cobblestone, gravel, bedrock, crag, granite, ore.

WORD FIND

• broken rock layer used as breakwater or bank: riprap

• conglomeration: breccia, conglomerate

• digestion aid for animal: gastrolith

• drawing or carving on: petroglyph

• glacier-deposited rock: till, drift, boulder train

• ground layer: bedrock

• layers of: strata

• mass containing gems or fossils: matrix

• metamorphosed by heat, pressure: metamorphic rock

• mineral-lined: geode

• molten: magma, lava

• projecting: outcrop, ledge, knuckle, shelf

• sand, silt, organic material, made from: sedimentary rock

• study of: petrology

• volcanic rock: igneous, pumice, obsidian, basalt

• windblown sand, shaped by: ventifact

2. rockandroll rhythm and blues (R&B), metal, heavy metal, disco, rockabilly, acid rock, punk rock, boogie, doo-wop, funk, fusion, hip-hop, rap, new wave, Motown, pop, psychedelic, reggae, surf music.

see music

II

v.

roll, pitch, swing, wobble, sway, seesaw, jiggle, lurch, teeter, totter, undulate.

IV

(Roget's Thesaurus II) verb 1. To move vigorously from side to side or up and down: heave, pitch, roll, toss. See REPETITION. 2. To move to and fro violently: quake, shake, tremble, vibrate. See REPETITION. 3. To cause to move to and fro violently: agitate, churn, convulse, shake. See CALM, REPETITION. 4. To impair or destroy the composure of: agitate, bother, discompose, disquiet, distract, disturb, flurry, fluster, perturb, ruffle, shake (up), toss, unsettle, upset. Informal: rattle. See CALM.