Definition of broad :
1. A lathe tool for turning down the insides and bottoms of cylinders.
2. Characterized by breadth. See Breadth.
3. Comprehensive; liberal; enlarged.
4. Cross; coarse; indelicate; as, a broad compliment; a broad joke; broad humor.
5. Extended, in the sense of diffused; open; clear; full.
6. Extending far and wide; extensive; vast; as, the broad expanse of ocean.
7. Fig.: Having a large measure of any thing or quality; not limited; not restrained; - applied to any subject, and retaining the literal idea more or less clearly, the precise meaning depending largely on the substantive.
8. Free; unrestrained; unconfined.
9. Plain; evident; as, a broad hint.
10. Strongly marked; as, a broad Scotch accent.
11. The broad part of anything; as, the broad of an oar.
12. The spread of a river into a sheet of water; a flooded fen.
13. Wide; extend in breadth, or from side to side; - opposed to narrow; as, a broad street, a broad table; an inch broad.
ample, bounteous, huge, bountiful, broad-minded, considerable, freehanded, full, all-embracing, unspecific, apparent, cultured, general, kind, all-encompassing, see, large-minded, foul, extended, scurrilous, scatologic, progressive, suggestive, all-inclusive, liberal, global, wide of the mark, bawdy, sweeping, tolerant, dirty, wide-cut, ribald, unmistakable, immense, wide-reaching, off-color, unbiased, capacious, overall, openhanded, enormous, nasty, experienced, outspread, spacious, all-round, handsome, obvious, colossal, encompassing, comprehensive, across-the-board, cultivated, widespread, all-around, far-ranging, commodious, patient of, unequivocal, filthy, bighearted, resistant, smutty, open-minded, broad-spectrum, clear, explicit, ubiquitous, inclusive, cosmopolitan, raunchy, lewd, gigantic, abundant, slender, giving, patent, grand, attitude, thin, narrow, Fescennine, scatological, far-reaching, blanket, wide-ranging, decent, free, loose, deep, far-flung, wide-eyed, roomy, massive, vast, panoptic, specific, unsubtle
artless (part of speech: adjective)
naive, sincere, frank, undeceptive, honest, overt, callow, trusting, downright, unsophisticated, artless, outgoing, candid, direct, undisguised, unbeguiling, natural, unrestrained, plain-spoken, unaffected, open, unartful, plain, blunt, ingenuous, genuine, uncalculating, undeceitful, un-artificial, straightforward, undeceiving
thick (part of speech: adjective)
vulgar (part of speech: adjective)
garish, degraded, scandalous, profane, chintzy, depraved, obscene, glaring, crass, earthy, barnyard, salty, homespun, unpolished, tactless, sordid, revolting, low, idiomatic, animal, outlandish, common, sleazy, unbecoming, base, rank, boorish, ignominious, undignified, rude, colloquial, repulsive, raw, crude, graceless, tasteless, coarse-grained, inelegant, ill-bred, tawdry, unrefined, barbaric, brazen, shameless, gross, coarse, unseemly, indelicate, in bad taste, clumsy, cockney, rough, philistine, cheap, offensive, vulgar, ignoble, gaudy, brutish
size (part of speech: adjective)