rudeness, n. 1. discourteousness, impoliteness, incivility, unmannerliness; inconsideration, tactlessness, disrespect, disrespectfulness, misbehavior; ungraciousness, indecorum, uncourtliness, ungentlemanliness, hoydenism; brashness, boldness, brazenness, insolence, impudence, impertinence, pertness, tartness, sauciness, freshness; flippancy, arrogance, cheek, lip, effrontery, presumption; sharpness, keenness, acrimoniousness, causticity; brutality, cruelty; sarcasm, bitterness, virulence, contemptuousness, opprobriousness, derision; gruffness, bluffness, bearishness; grouchiness, crabbedness, surliness, sulkiness, moroseness, peevishness, petulance, sourness, acerbity; abruptness, bluntness, brusqueness, curtness, shortness, harshness, austerity, sternness; raffishness, ribaldry, smuttiness, obscenity.
2. uncouthness, crudeness, crudity, vulgarity; boorishness, churlishness, loutishness; brutishness, barbarity, savagery, grossness; ignorance, illiteracy; clumsiness, ungainliness, gaucherie.
3. roughness, harshness, ungentleness; hardness, coarseness, scratchiness, abrasiveness.
4. rawness, crudeness, roughness; shapelessness, formlessness, amorphism, amorphousness, asymmetry, unshapeliness, misshapenness.
5. (of sounds) harshness, stridence, piercingness, ear-splittingness; dissonance, discordance, discord, disharmony, cacophony.
6. artlessness, naturalness, rusticity, simpleness, simplicity, plainness, unadornment.
7. violence, tempestuousness, storminess, turbulence, tumultuousness; uproariousness, boisterousness, riotousness; ferocity, fierceness, savageness, vehemence, rage, frenzy, fury; vigor, robustness.
rudiment, n. 1. Usu.
rudiments first principles, elements, foundation; mainspring, fountainhead, nucleus, source, spring, font, ultimate cause, Latin, fons et origo; prime mover, generator, determinant; beginning, starting point, commencement, first appearance, imperfect form.
2. Biology, undeveloped form, arrested form, ves tige; embryo, germ, root; egg, ovum, roe, spawn; sperm, semen, milt; foetus.
rudimentary, adj. 1. elementary, fundamental, abecedarian, primary, initial; original, primal, primordial, elemental; initiatory, formative, germinal, ger-minative.