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1 being at a higher level than average the level of the lake is up this spring Synonyms elevated, escalated, heightened, increased, jacked (up), raised, highRelated Words extreme, full, maximized, maximum, peaked, sky-high, utmost; inflated, over, overfilled, overflowing, overfull, overlarge, overloaded, oversize (or oversized)Near Antonyms decreased, depressed, dropped, knockdown [chiefly British], receded, underAntonyms down, low

2 brought or having come to an end okay, time is up Synonyms completed, concluded, done, down, ended, finished, over, over with, terminated, through, completeRelated Words accomplished, achieved, attained, compassed, realized; dead, defunct, extinct, kaput (also kaputt), obsolete; expiredAntonyms continuing, incomplete, ongoing, uncompleted, undone, unfinished

3 having information especially as a result of study or experience she's always up on the latest developments in fashion Synonyms abreast, acquainted, au courant, conversant, informed, knowledgeable, familiar, up-to-date, versed, well-informedRelated Words alive, aware, cognizant, conscious, heedful, mindful, sensible, sentientNear Antonyms insensible, unaware, unconscious, unmindful; blind, oblivious, unknowing, unwitting; inattentive, unheedingAntonyms ignorant, unacquainted, unfamiliar, uninformed, unknowledgeable

1 to make greater in size, amount, or number climbing fuel prices have forced the delivery company to up its prices Synonyms accelerate, add (to), aggrandize, amplify, augment, boost, build up, compound, enlarge, escalate, expand, extend, hype, multiply, pump up, raise, swell, stoke, supersize, increaseRelated Words boom, jump, skyrocket, spike; bump (up), ratchet (up) also rachet (up); blow up, dilate, distend, inflate; draw out, elongate, flesh (out), lengthen, prolong, protract, stretch; develop, enhance, heighten, intensify, magnify; complement, supplement; beef (up), reinforce (also reenforce), strengthen; maximize; accumulate, amass, collect; follow up, parlayNear Antonyms abbreviate, abridge, curtail, shorten; compress, condense, constrict, contract; cut back, retrenchAntonyms abate, decrease, de-escalate, diminish, downsize, dwindle, lessen, lower, minify, reduce, subtract (from)

2 to move from a lower to a higher place or position upped the catboat's sail Synonyms boost, crane, elevate, heave, heft, heighten, hike, hoist, jack (up), lift, perk (up), pick up, take up, raise, uphold, uplift, upraiseRelated Words ascend, mount, rise; rear, upendNear Antonyms descend, dip, fall, pitch, plunge, slip; bear, depress, press, push; sink, submergeAntonyms drop, lower

3 to move or extend upward the road constantly ups and downs as it makes its way over the hills Synonyms arise, aspire, climb, lift, mount, rise, soar, thrust, ascend, uprise, upthrust, upturnRelated Words surge, tower; boost, elevate, raise, upheave, uplift, upraise; balloon, blast off, take off, zoom; crest, scale, surmount, top; cant, incline, lean, list, recline, slant, slope, tilt, tipNear Antonyms dive, nose-dive, plummet, sink, slideAntonyms decline, descend, dip, drop, fall (off), plunge