Synonyms for Blue jeans:

n.

britches, breeches, Chaps, chinos, baggies, bell-bottoms, bottoms, capri pants, cargo pants. clothing (noun)
ensemble, cloak, blouse, clothes, kimono, boot, slacks, tuxedo, garment, sweater, dress, overcoat, bathrobe, pants, shorts, pull over, petticoat, gown, dressing gown, beret, sari, pajamas, jumper, brassiere, raincoat, cape, suit, sports coat, smoking jacket, sarong, sweat suit, raiment, shirt, tunic, homburg, chemise, pinafore, doublet, pyjamas, slicker, habit, outfit, fur, t-shirt, shoes, footgear, bowler, bonnet, costume, robe, poncho, parka, dinner jacket, scarf, blazer, afghan, halter, panties, fez, array, chapeau, wrap, sweat shirt, v neck, vestment, greatcoat, topcoat, mackintosh, stetson, kilt, skirt, headdress, camisole, trench coat, duds, jersey, pillbox, ulster, vesture, fedora, crinoline, turtle-neck, apparel, nightgown, clothing, evening gown, housecoat, corset, attire, caftan, shawl, burnoose, jacket, trousers, smock, garb, trimming, hat, stockings, pea coat, coat, wrapper, frock, windbreaker.
clothing (plural) (noun)
Ponchos, kilts, Scarves, trimmings, costumes, shawls, slickers, hats, burnooses, pinafores, smoking jackets, tuxedoes, crinolines, kimonos, windbreakers, vestures, brassieres, gowns, headdresses, smocks, Boots, wraps, tunics, cloaks, turtle-necks, outfits, nightgowns, blouses, dresses, apparels, suits, blazers, Stetsons, mackintoshes, dressing gowns, coats, sweat suits, sports coats, evening gowns, fedoras, robes, pillboxes, Habits, Doublets, overcoats, shirts, caftans, housecoats, sarongs, saris, v-necks, sweaters, jackets, t-shirts, sweat shirts, Jerseys, garbs, trench coats, jumpers, petticoats, bathrobes, capes, dinner jackets, corsets, berets, pea coats, wrappers, parkas, furs, garments, halters, ensembles, camisoles, topcoats, chemises, bowlers, pull-overs, skirts, greatcoats, Afghans, raincoats, frocks, vestments, bonnets.

Other synonyms:

chinos, bell-bottoms, cargo pants, capri pants, breeches, Chaps, britches. baggies.