secure

secure [adj1] safe defended, guarded, immune, impregnable, out of harm’s way, protected, riskless, sheltered, shielded, unassailable, undamaged, unharmed; concept 587 —Ant. endangered, insecure, unprotected, unsafe secure [adj2] fastened, stable adjusted, anchored, bound, buttoned down*, fast, firm, fixed, fortified, immovable, iron, locked, nailed, safe and sound*, set, solid, solid as a rock*, sound, staunch, steady, strong, sure, tenacious, tight; concept 488 —Ant. loose, moving, unfastened, unfixed, unsecure, unstable secure [adj3] certain, definite able, absolute, assured, at ease, balanced, carefree, cinch, conclusive, confident, determined, easy, established, firm, hopeful, in the bag*, locked on*, nailed down*, on ice*, reassured, reliable, resolute, sanguine, self-assured, self-confident, settled, shoo-in*, solid, sound, stable, steadfast, steady, strong, sure, sure thing*, tried and true*, unanxious, undoubtful, well-founded; concepts 403,535 —Ant. indefinite, insecure, uncertain, undecided, unsure secure [v1] obtain access, achieve, acquire, annex, assure, bag*, buy, capture, catch, chalk up*, cinch, come by, ensure, gain, get, get hold of, grasp, guarantee, have, hook, insure, land, lock, lock up, make sure, pick up, procure, rack up*, take, win; concept 120 —Ant. forfeit, give up, lose secure [v2] attach, tie up adjust, anchor, batten down, bind, bolt, button, button down, catch, cement, chain, clamp, clinch, close, fasten, fix, hitch, hook on, lash, lock, lock up, make fast, moor, nail, padlock, pinion, rivet, settle, tack, tie, tie down, tighten; concepts 85,160 —Ant. let go, loose, loosen, unfasten, untie secure [v3] protect, make safe assure, bulwark, cover, defend, ensure, fend, guarantee, guard, insure, safeguard, screen, shield; concept 96 —Ant. endanger, harm, hurt, injure