1.  lock up(v = verb.contact) - secure by locking; "lock up the house before you go on vacation"
is one way to fasten, fix, secure
Derived form noun lockup₂
Sample sentences: Somebody ----s something

2.  lock up(v = verb.contact) lock, lock away, lock in, put away, shut away, shut up - place in a place where something cannot be removed or someone cannot escape; "The parents locked her daughter up for the weekend"; "She locked her jewels in the safe"
is one way to confine
Derived form noun lockup₂
Sample sentences: Somebody ----s something; Somebody ----s somebody; Somebody ----s somebody PP; Somebody ----s something PP

VB  restrain, check, put under restraint, lay under restraint, enthral, enthrall, inthral, inthrall, bethral, bethrall, restrict, debar, constrain, coerce, curb, control, hold back, hold from, hold in, hold in check, hold within bounds, keep back, keep from, keep in, keep in check, keep within bounds, hold in leash, hold in leading strings, withhold, keep under, repress, suppress, smother, pull in, rein in, hold, hold fast, keep a tight hand on, prohibit, inhibit, cohibit, enchain, fasten, fetter, shackle, entrammel, bridle, muzzle, hopple, gag, pinion, manacle, handcuff, tie one's hands, hobble, bind hand and foot, swathe, swaddle, pin down, tether, picket, tie down, tie up, secure, forge fetters, disable, hamstring (incapacitate), confine, shut up, shut in, clap up, lock up, box up, mew up, bottle up, cork up, seal up, button up, hem in, bolt in, wall in, rail in, impound, pen, coop, inclose, cage, incage, encage, close the door upon, cloister, imprison, immure, incarcerate, entomb, clap under hatches, lay under hatches, put in irons, put in a strait-waistcoat, throw into prison, cast into prison, put into bilboes, arrest, take up, take charge of, take into custody, take prisoner, take captive, make prisoner, make captive, captivate, lead captive, lead into captivity, send to prison, commit to prison, commit, give in charge, give in custody, subjugate.

VB  conceal, hide, secrete, put out of sight, lock up, seal up, bottle up, encrypt, encode, cipher, cover, screen, cloak, veil, shroud, cover up one's tracks, screen from sight, screen from observation, drawing the veil, draw the curtain, close the curtain, curtain, shade, eclipse, throw a view over, be cloud, be mask, mask, disguise, ensconce, muffle, smother, befog, whisper, keep from, keep back, keep to oneself, keep snug, keep close, keep secret, keep dark, bury, sink, suppress, keep from, keep from out of view, keep from out of sight, keep in the shade, throw into the shade, throw into background, stifle, hush up, smother, withhold, reserve, fence with a question, ignore, keep a secret, keep one's own counsel, hold one's tongue, make no sign, not let it go further, not breathe a word, not breathe a syllable about, not let the right hand know what the left is doing, hide one's light under a bushel, bury one's talent in a napkin, keep in the dark, leave in the dark, keep in the ignorance, blind, blind the eyes, blindfold, hoodwink, mystify, puzzle, bamboozle, be concealed, suffer an eclipse, retire from sight, couch, hide oneself, lie hid, lie in perdu, lie in close, lie in ambush (ambush), seclude oneself, lurk, sneak, skulk, slink, prowl, steal into, steal out of, steal by, steal along, play at bopeep, play at hide and seek, hide in holes and corners, still hunt.

act up, add up, air lock, ante up, back up, backed up, ball up, balled up, bang up, bear up, beat up, beef up, beefed up, belly up, belt up, bind up, blaze up, block up, blow up, blowing up, blown up, board up, bob up, bollix up, bollixed up, bollocks up, bolster up, bomb up, bone up, book up, boost up, botch up, bottle up, bound up, box up, brace up, break up, brick up, bridle up, bring up, bringing up, brisk up, bristle up, brush up, bubble up, buck up, bucked up, build up, bump up, bunch up, bundle up, buoy up, burn up, bust up, butter up, button up, buy up, call up, carve up, cast up, catch up, catch up with, caught up, caught up in, chain up, chalk up, charge up, chat up, check up on, cheer up, chew up, chin up, chirk up, chock up, choke up, choose up, chop up, chuck up the sponge, chum up, churn up, clam up, clap up, clean up, clear up, climb up, clock up, clog up, close up, cloud up, clouding up, clutter up, cobble up, cock up, combination lock, come up, come up against, come up to, conjure up, cook up, coop up, cork up, cotton up, cough up, coughing up, couple up, cover up, cozy up, crack up, crank up, crap up, creep up, crock up, crop up, curl up, curled up, cut up, cylinder lock, dam up, deck up, dig up, digging up, dish up, divided up, divvy up, do up, doctor up, doll up, dolled up, done up, dope up, double up, drag up, draw up, dream up, dredge up, dress up, dried up, drink up, drive up, drive up the wall, drum up, dry up, drying up, dummy up, earth up, ease up, eat up, edge up, end up, even up, face up, face up to, faggot up, fake up, fancied up, fancy up, fatten up, fed up, felt up, fess up, fetch up, fig up, fill up, finish up, fire up, firm up, fix up, flame up, flare up, fluff up, fog up, fold up, follow up, follow up on, foot up, fork up, fort up, foul up, frame up, freshen up, fuck up, furbish up, gang up, gang up on, gas up, gather up, gear up, get up, ginger up, give up, giving up, glam up, go up, go up in smoke, gobble up, grow up, grown up, grub up, gum up, gummed up, gussied up, gussy up, ham it up, hammer lock, hang up, hard up, hash up, haul up, head up, heap up, heat up, heated up, heave up, heft up, held up, het up, high up, higher up, hike up, hip lock, hit it up, hit up, hitch up, hive up, hoke up, hold up, hole up, hook up, hook up with, hop up, hopped up, hot up, hung up, hurry up, hush up, hype up, ice up, ignition lock, jack up, jazz up, jolly up, juice up, jump up, jumping up and down, keep up, kept up, key up, keyed up, kick up, kink up, kit up, knock up, lace up, laid up, land up, lap up, laugh it up, lay up, lead up, let up, lever lock, lift up, light up, lighten up, limber up, line up, lined up, link up, live it up, live up to, liven up, load up, lock, lock away, lock chamber, lock hospital, lock in, lock nut, lock out, lock ring, lock step, lock stitch, lock washer, log up, look up, look up to, looking up, loosen up, louse up, made up, make up, make up one's mind, make up to, mark up, mat up, matte up, measure up, measure up to, meet up with, mess up, messed up, mix up, mixed up, mock up, mop up, mount up, mount up to, move up, muck up, mucked up, muddy up, muffle up, mug up, muster up, offer up, open up, own up, pal up, pass up, patch up, pay up, pen up, pent up, pep up, perk up, perked up, pick up, pick up the gauntlet, pile up, pin up, pipe up, play up, play up to, plump up, point up, polish up, pony up, pop up, pound up, prang up, pretty up, prick up, prim up, prop up, propping up, psych up, psyched up, puff up, puffed up, pull up, pull up short, pull up stakes, pumped up, push up, put up, put up job, put up to, put up with, queue up, rachet up, rack up, raise up, rake up, ramp up, rev up, rig up, ring up, rip up, rise up, roll up, rope up, rough up, round up, rout up, rub up, ruck up, ruffle up, run up, runner up, sack up, safety lock, sash lock, save up, saved up, scale up, scalp lock, scare up, scoop up, scrape up, scratch up, screw up, scrub up, scrunch up, seal up, sell up, serve up, set up, sew up, sex up, shack up, shake up, shape up, shine up, shine up to, shoot up, shore up, shoring up, show up, shown up, shrivel up, shut up, sidle up, sign up, silt up, sit up, size up, slack up, slice up, slick up, slicked up, slip up, slow up, slurp up, smarten up, smash up, smell up, snap up, snarl up, snatch up, sneak up, soak up, soaking up, soar up, sober up, soften up, sop up, soup up, speak up, speak up for, spear up, speed up, speeded up, spice up, spiff up, spiffed up, spirit up, spit up, split up, sponge up, spring up, spruce up, spruced up, square up, stack up, stand up, stand up for, stand up to, start up, stay up, steam up, steamed up, step up, stick up, stick up for, stink up, stir up, stirred up, stop up, stopped up, stored up, straighten up, strike up, string up, stuck up, suck up, suck up to, sum up, summing up, summon up, sunny-side up, swallow up, sweep up, swell up, swept up, swoop up, swot up, take up, take up arms, take up with, taken up, tart up, team up, tear up, tee up, tense up, think up, throw up, tidy up, tie up, tied up, tier up, tighten up, tog up, togged up, tone up, toss up, tot up, tote up, touch up, touch up paint, trice up, trick up, trip up, true up, trump up, trumped up, tune up, turn up, turn up the heat, turn up the pressure, turned up, tying up, up, up and down, up country, up here, up in arms, up in the air, up on, up quark, up the stairs, up to, up to her neck, up to his neck, up to my neck, up to now, up to our necks, up to their necks, up to your neck, use up, used up, using up, vamp up, vapor lock, vapour lock, vomit up, wake up, waking up, wall up, warm up, wash up, washed up, well up, wheel lock, whip up, whomp up, whoop it up, wind up, window lock, wipe up, wise up, work up, worked up, wound up, wrack up, wrap up, wrapped up, wrapped up in, write up, wrought up, yield up, zip up