surreptitious, adj. 1. clandestine, covert, undercover, stealthy, feline, nighttime, back-alley, backstreet, CIA-type, Watergate, Canon Law. subrepti-tious; collusive, conspirative, conspiratory, furtive, underhand, underhanded, Inf. under the counter, backroom, sneaky, sneaking, sly, foxy, vulpine, crafty, cunning; unethical, dishonorable, illegal, unlawful, unauthorized, Canon Law. obreptitious.
2. secret, secretive, hugger-mugger, dark, closed, unpublic, not open to the public, private, confidential, closed-door, closet, Archaic, privy; hidden, concealed, ensconced, shrouded, cloaked, disguised, veiled, masked, screened, in the dark; undisclosed, unrevealed, unpublicized, silent; mysterious, arcane, intriguing.
surreptitiously, adv. 1. clandestinely, covertly, under cover, stealthily, under the table or counter; collusively, conspiratorily, furtively, underhandedly, sneakily, craftily, cunningly, slyly, on the sly, behind one's back, behind the scenes; unethically, dishonorably, illegally, unlawfully, fraudulently.
2. secretly, privately, in private, behind closed doors, confidentially, sub rosa; silently, mysteriously, in the dark; in a whisper, aside.
surrogate, n. 1. agent, proxy, secondary, deputy, delegate, vicar, charge d'affaires, regent, viceroy; representative, envoy, emissary, ambassador, consul; pinch runner, pinch hitter, designated hitter, relief pitcher; substitute teacher, sub.
2. replacement, succedaneum, alternate, backup, relief, fill-in, Chiefly Brit, locum tenens; understudy, stand-by, double, stand-in, SI. ringer, dummy, imitation, copy, fake, changeling; benchwarmer, second team or string; scapegoat, whipping boy.
surround, v. 1. enclose, enwrap, enfold, envelop, encase, encompass, environ, ensphere, circumfuse, encircle, circle, circumscribe, compass, belt.
2. circumvent, begird, engird, encincture, gird, girdle, confine, fence in, pen in, hedge in, hem in; circum-vallate, beset, besiege, entrap, ensnare, blockade.
-n. 3. perimeter, circle, box, square; girdle, belt, border, fence, wall, confine, boundary, frontier; enclosure, encasement, case, surrounding, covering, coating, coat; envelopment, envelope, wrapping, wrap, integument, Bot. testa, shell, skin.
surrounding, n. 1. perimeter, enclosure, belt, border. See - surround (def. 3).
2. surroundings environs, neighborhood, vicinity, vicinage, region, area, locale, district, section; environment, habitat, setting, Fr. mise en sckne, scene, entourage, milieu, ambience, background; suburbs, faubourgs, outskirts.
3. enclosing, enwrapping, enfoldment, enfolding, envelopment, enveloping, encasement, encasing; encom-passment, encompassing, begirding, encirclement, encircling, circumscription, circumscribing, environing, circumambience, encincture, encincturing, circumval-lating, besetment, besetting, hemming in.
-adj. 4. enclosing, enwrapping, enfolding, enveloping, encasing, integumentary; encompassing, girdling, begirding, circumfluent, circumventive, circumventing; encircling, circling, circumscribing, circumjacent, circumambient, ambient, environing, circum-vallating, besetting, hemming in.
5. environmental, vicinal, regional, sectional, local; neighboring, next-door, adjoining, conjoining, connecting, attached; adjacent, juxtapositional, juxtaposed, next to, proximate, bordering; contiguous, abutting, meeting, tangential, tangent, touching, Obs. attingent; near, nearby, close, close-by, nigh.