boost

1 to lift with effort boosted the child into her car seat Synonyms heave, heft, hoist, jack (up), upheaveRelated Words elevate, hike, pick up, raise, rear, up, uplift, upraise, uprearNear Antonyms depress, drop, lower; sink, submerge, submerse

2 to make greater in size, amount, or number a promotion that boosted the number of interested customers milling about the showroom Synonyms accelerate, add (to), aggrandize, amplify, augment, increase, build up, compound, enlarge, escalate, expand, extend, hype, multiply, pump up, raise, swell, stoke, supersize, upRelated 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)

3 to make markedly greater in measure or degree let's boost the volume on the radio so everyone can hear Synonyms accentuate, amp (up), amplify, beef (up), intensify, consolidate, deepen, enhance, heighten, magnify, redouble, step up, strengthenRelated Words broaden, enlarge, expand, extend, lengthen; accelerate, hasten, quicken; emphasize, point (up), sharpen, stress; augment, enforce, reinforce (also reenforce), restrengthen, supplement; maximize; enliven, jazz (up); aggravate, exacerbateNear Antonyms decrease, diminish, lessen, let up (on), reduce, subdue, tone (down), weaken; dwindle, recede, subside, taper (off), wane; alleviate, ease, lightenAntonyms abate, moderate

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

5 to provide publicity for boosted the singer's latest release with a round of appearances on all the talk and entertainment shows Synonyms ballyhoo, hype, pitch, plug, promote, talk up, toutRelated Words advertise, bark, merchandise (also merchandize), sell; push; acclaim, hail, laud, praise; endorse (also indorse), plump (for), plunk (for) or plonk (for); recommend, review; announce, broadcast, publish

6 slang  to take (something) without right and with an intent to keep the woman was nabbed trying to boost a couple of bottles of perfume Synonyms appropriate, steal [slang], filch, heist, hook, lift, misappropriate, nick [British slang], nip, pilfer, pinch, pocket, purloin, rip off, snitch, swipe, thieveRelated Words burglarize, knock over, rob; loot, pillage, plunder, sack; carjack, hijack (also highjack); pick, rifle; poach, rustle, shoplift; collar, grab, grasp, nail, seize, snatch, take; mooch, sponge; abduct, kidnap, shanghai, spiritNear Antonyms buy, purchase; bestow, contribute, donate, give, hand over, present