secure

1 having or showing great faith in oneself or one's abilities he's so secure about winning the marathon that he's practically spent the prize money Synonyms assured, confident, self-asserting, self-assured, self-confidentRelated Words collected, composed, cool, coolheaded, poised, recollected, self-possessed, serene, tranquil, unperturbed, unshaken; hopeful, optimistic, rosy, sanguine, upbeat; complacent, conceited, egoistic (also egoistical), egotistic (or egotistical), important, overweening, pompous, prideful, proud, self-affected, self-applauding, self-centered, self-complacent, self-conceited, self-contented, self-important, self-pleased, self-satisfied; self-promoting, smug, stuck-up, vain, vainglorious; imperturbable, nerveless, unflappable, unself-conscious, unshakable; disciplined, self-collected, self-composed, self-contained, self-controlled, self-poised; self-reliant, self-sufficientNear Antonyms meek, timid, unassertive; humble, modest, unassuming, unpretentious; jittery, jumpy, nervous; bashful, demure, mousy (or mousey), overmodest, quiet, reserved, shy; self-critical, self-reproachful, self-reprovingAntonyms diffident, insecure, self-distrustful, self-doubting

2 not exposed to the threat of loss or injury the fortress was thought to be secure against attack Synonyms all right, alright, safeRelated Words hale, healthy, intact, sound, well, whole; scatheless, unharmed, unhurt, uninjured, unscathedNear Antonyms damaged, harmed, hurt, injured, scathed, woundedAntonyms endangered, exposed, imperiled (or imperilled), insecure, liable, open, subject (to), susceptible, threatened, unsafe, violable, vulnerable

3 providing safety escaped to a secure location Synonyms safe, snugRelated Words guarding, protecting, safeguarding, sheltering, shielding; defended, guarded, protected, sheltered, shielded; impregnable, inviolable, invulnerable, unassailable, unconquerableNear Antonyms menacing, minatory, parlous, perilous, threatening; undefended, unguarded, unprotected, vulnerable; precarious, treacherous, uncertainAntonyms dangerous, hazardous, insecure, risky, unsafe

4 worthy of one's trust a fund that should provide them with a secure income in their retirement Synonyms calculable, good, reliable, responsible, safe, dependable, solid, steady, sure, tried, tried-and-true, true, trustable, trustworthy, trustyRelated Words constant, devoted, faithful, fast, loyal, staunch (also stanch), steadfast, true-blue; honest, sincere, single-minded; infallible, unerring; bedrock, firm, sound, strong; effective, telling; attested, authenticated, confirmed, proven, valid, validated, verified; blameless, faultless, guiltless, impeccable, inerrant, irreproachable, unimpeachable, unquestionableNear Antonyms disloyal, faithless, false, fickle, inconstant, perfidious, recreant, traitorous, treacherous, unfaithful, untrue; deceitful, dishonest, lying, mendacious, untruthful; debatable, disputable, doubtable, doubtful, dubious, fishy, problematic (also problematical), questionable, shady, shaky, suspect, uncertain, unsound; hazardous, risky; unconfirmed, untriedAntonyms dodgy [chiefly British], uncertain, undependable, unreliable, unsafe, untrustworthy

1 to drive danger or attack away from sent troops to secure the city Synonyms bulwark, cover, fence, fend, forfend, guard, keep, protect, safeguard, screen, defend, shield, wardRelated Words avert, prevent; oppose, resist, withstand; battle, contend, fight, war; conserve, preserve, save; buffer, palisade, picket, wallNear Antonyms bombard, storm; beset, besiege, overrun; capitulate, cave, submit, yieldAntonyms assail, assault, attack

2 to make sure, certain, or safe a retirement account that will help to secure our future Synonyms assure, cinch, guarantee, guaranty, ice, insure, ensureRelated Words attest, certify, vouch, warrant, witness; pledge, promise, swearNear Antonyms enfeeble, undermine, weaken

3 to put securely in place or in a desired position candidates for admission are asked to secure a recent photo to their application forms Synonyms anchor, catch, clamp, fix, hitch, moor, fasten, setRelated Words embed (also imbed), entrench (also intrench), implant, ingrain (also engrain), lodge, stuff, wedgeNear Antonyms extract, prize, pry, pull, root (out), tear (out), uproot, wrest, yankAntonyms loose, loosen, unfasten, unfix, unloose, unloosen

4 to receive as return for effort finally secured a job after sending out dozens of applications Synonyms acquire, attain, bag, bring in, capture, carry, come by, draw, gain, garner, get, knock down, land, make, obtain, procure, pull down, realize, reap, earn, winRelated Words clear, gross, net; accomplish, achieve, notch (up), score; accumulate, amass, draw, rack up; catch, pick up; annex, occupy, take over; reacquire, reattain, recapture, regain, remakeNear Antonyms accord, give, grant, pay; give up, hand over, part (with), relinquish, surrender, yieldAntonyms forfeit, lose