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adjective
abrupt, steep
Synonyms: arduous, erect, headlong, perpendicular, precipitate, precipitous, sideling, upright
Antonyms: moderate, slow
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adjective
utter, absolute
Synonyms: altogether, arrant, blasted, blessed, complete, confounded, downright, gross, infernal, out-and-out, outright, perfect, pure, quite, rank, simple, single, thoroughgoing, total, unadulterated, unalloyed, undiluted, unmitigated, unmixed, unqualified
Antonyms: indefinite, uncertain
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adjective
see-through, thin
Synonyms: airy, chiffon, clear, cobwebby, delicate, diaphanous, filmy, fine, flimsy, fragile, gauzy, gossamer, lacy, limpid, lucid, pellucid, pure, slight, smooth, soft, tiffany, translucent, transparent
Antonyms: heavy, impermeable, thick