2. scallop, notch, knurl, mill; cut, serrate, crenellate; incise, gash, crimp, scotch, score,
pinnacle, n. 1. summit, apex, vertex, apogee, crest, peak, spire, tip; tiptop, top, cap, crown, headpiece, head; steeple, loft, aerie, tower, belfry.
2. acme, zenith, meridian, maximum, climax, culmination, crowning point, Latin, ne plus ultra; sublimity, supremacy, best, finest, perfection, consummation, extreme, utmost, uttermost, U.S. Sl. the most, U.S. Sl. the greatest; prime, heyday, bloom, full flower, blossom, efflorescence.
3. cone, gable, pyramid, obelisk, taper; needle, spicule, tor, nib, neb, cusp, cuspid, canine.
-v. 4. pedestal, set or put on a pedestal; idealize,
5. crown, cap, top, tip, Brit. nib.
pioneer, n. 1. frontiersman, backwoodsman, settler, homesteader; pathfinder, trailbreaker, trailblazer, explorer, paver of the way; scout, guide, point; forerunner, antecedent, precursor, predecessor, foregoer; outrider, front or lead runner, vaunt-courier, avant-courier.
2. innovator, groundbreaker, avant-gardist; pacesetter, pacemaker, trend-setter, leader.
3. combat engineer, engineer, U.S. Navy. Seabee, Brit, sapper.
-v.4. initiate, instigate, actuate, set off, set in motion, trigger, start the ball rolling, ring up the curtain on; open, take the first step, take the initiative, take the lead, take the plunge, make a start, break the ice, lead off, lead the way, blaze the trail; institute, inaugurate, found, establish, set up, organize, originate, break ground, lay the first stone, lay the foundation; introduce, launch, broach, usher in.
5. guide, conduct, lead, marshal, usher, escort, convoy.
-adj. 6. initiatory, initial, initiating, initiative, introductory, inaugural; creative, formative, drawing-board.
pious, adj. 1. devout, devoted, godly, God-fearing, God-loving, religious, spiritual; humble, worshipful, reverent, reverential, venerative; righteous, moral, virtuous, good, right-minded, clean-minded, clean of mind, clean of spirit, clean-spirited, pure-spirited, pure in spirit, pure in heart; holy, saintly seraphic, angelic, Christly, Christlike.
2. sanctimonious, self-righteous, holier-than-thou, simon-pure, Inf goody-goody, Inf. too good to be true; pharisaic, pietistic, over-pious, falsely pious; hypocritical, Tartuffian, canting; mealy-mouthed, unctuous, oily.
pipe, n. 1. tube, cylinder, conduit, duct, conveyor, reed, straw, stem; pipette, catheter, funnel, tubule, fistula, nipple; passage, capillary, artery, vein; hose, garden hose, rubber hose; flue, chimney, smokestack; gas pipe, gasline, pipeline, steampipe, fuel pipe, oil pipe, oil line, siphon.
2. tobacco pipe, corncob pipe, corncob, briar pipe, briar, clay pipe, clay, meerschaum; hookah, hubble-bubble, bong, water pipe, narghile, chibouk, Sl. carburetor, Sl. power-hitter; peace pipe, calumet.
3. wind instrument, woodwind instrument, wind, horn, tooter; flute, recorder, flageolet, panpipe, picco lo, fife, whistle, penny-whistle; clarinet, cormourne, krumhorn, ocarina, bassoon, contrabassoon, oboe, Archaic, hautboy, shawm, English horn, syrinx, saxophone, Inf. sax.
4. pipes Informal, windpipe, trachea, Archaic. weasand; pharnyx, epiglottis, bronchial tube, bronchus, Brit. Dial, wizen.
-v. 5. tweet, squeak, cheep, chirp, peep; tweet, whistle, tweetle, tootle, skirl; shriek, squawk, screech,