adj. & v.
adj. 1 untroubled by danger or fear. 2 safe against attack: impregnable. 3 reliable; certain not to fail (the plan is secure). 4 fixed or fastened so as not to give way or get loose or be lost (made the door secure). 5 a (foll. by of) certain to achieve (secure of victory). b (foll. by against, from) safe, protected (secure against attack).
v.tr. 1 make secure or safe; fortify. 2 fasten, close, or confine securely. 3 succeed in obtaining or achieving (have secured front seats). 4 guarantee against loss (a loan secured by property). 5 compress (a blood-vessel) to prevent bleeding. secure arms Mil. hold a rifle with the muzzle downward and the lock in the armpit to guard it from rain. securable adj. securely adv. securement n.
[ L securus (as SE-, cura care) ]