Merriam-Webster's Dictionary and Thesaurus - Merriam-Webster [1184]
rive verb rived ; riv·en also rived; riv·ing 1 : to wrench open or tear apart or to pieces : REND
2 : SHATTER
Synonyms
rend, rip, shred, tatter, tear—more at TEAR
riv·er noun 1 : a natural stream larger than a brook
2 : a large stream or flow
riv·er·bank noun : the bank of a river
riv·er·bed noun : the channel occupied by a river
riv·er·boat noun : a boat for use on a river
riv·er·front noun : the land or area along a river
riv·er·side noun : the side or bank of a river
1rivet noun : a metal bolt with a head at one end used to join parts by being put through holes in them and then being flattened on the plain end to make another head
2rivet verb 1 : to fasten with or as if with a rivet
2 : to fix and hold (as the attention)
— riv·et·er noun
Synonyms
concentrate, fasten, focus, train—more at CONCENTRATE
riv·u·let noun : a small stream
Synonyms
brook, creek, rill, streamlet—more at CREEK
rm abbreviation room
Rn symbol radon
1RN noun : REGISTERED NURSE
2RN abbreviation Royal Navy
RNA noun : any of various nucleic acids (as messenger RNA) that are found esp. in the cytoplasm of cells, have ribose as the 5-carbon sugar, and are associated with the control of cellular chemical activities
rnd abbreviation round
1roach noun, plural roach also roach·es : any of various bony fishes related to the carp; also : any of several sunfishes
2roach noun 1 : COCKROACH
2 : the butt of a marijuana cigarette
road noun [ORIGIN: ME rode, fr. OE rād ride, journey]
1 : ROADSTEAD — often used in pl.
2 : an open way for vehicles, persons, and animals : HIGHWAY
3 : a way to a conclusion or end 4 : a series of scheduled visits (as games or performances) in several locations or the travel necessary to make these visits 5 : RAILROAD Synonyms artery, highway, pike, route, thoroughfare, trace, turnpike, way—more at WAY road·bed noun 1 : the foundation of a road or railroad 2 : the part of the surface of a road on which vehicles travel road·block noun 1 : a barricade on the road 2 : an obstruction to progress road·ie noun : a person who works for traveling entertainers road·kill noun : the remains of an animal that has been killed on a road by a motor vehicle road·run·ner noun : a largely terrestrial bird of the southwestern U.S. and Mexico that is a speedy runner road·side noun : the strip of land along a road — roadside adjective road·stead noun : an anchorage for ships usu. less sheltered than a harbor road·ster noun 1 : a driving horse 2 : an open automobile that seats two road·way noun 1 : an open way for vehicles, persons, and animals : ROAD 2 : ROADBED road·work noun 1 : work done in constructing or repairing roads 2 : conditioning for an athletic contest (as a boxing match) consisting mainly of long runs roam verb 1 : to go from place to place without purpose or direction : WANDER 2 : to range or wander over or about 3 : to use a cell phone outside one's local calling area Synonyms gad, gallivant, knock, maunder, meander, mope, ramble, range, rove, traipse, wander—more at WANDER roaming adjective : being one that roams; also : involving cell phone use beyond one's local calling area Synonyms errant, itinerant, nomad, peripatetic, vagabond, vagrant—more at ITINERANT 1roan adjective : of dark color (as black, red, or brown) sprinkled with white 2roan noun : an animal (as a horse) with a roan coat; also : its color 1roar verb 1 : to utter a full loud prolonged sound 2 : to make a loud confused sound (as of wind or waves) — roar·er noun Synonyms bellow, boom, growl, thunder; also grumble, roll, rumble; blare, blast, peal, scream, screech, shriek, squall; cry, holler, hoot, shout, whoop, yell; caterwaul, howl, wail, yowl 2roar noun : a sound of roaring Synonyms clamor, howl, hubbub, hue and cry, hullabaloo, noise, outcry,