Definition of security :
1. An evidence of debt or of property, as a bond, a certificate of stock, etc.; as, government securities.
2. Freedom from apprehension, anxiety, or care; confidence of power of safety; hence, assurance; certainty.
3. Freedom from risk; safety.
4. Hence, carelessness; negligence; heedlessness.
5. One who becomes surety for another, or engages himself for the performance of another's obligation.
6. Something given, deposited, or pledged, to make certain the fulfillment of an obligation, the performance of a contract, the payment of a debt, or the like; surety; pledge.
7. That which secures or makes safe; protection; guard; defense.
8. The condition or quality of being secure; secureness.
protective covering, attack, sturdiness, bail, hardness, creditor, change, credential, bondsman, creditworthy, safe passage, creditworthiness, branch, desk, hostage, protective, better, department, temerity, innocuous, aegis, self-esteem, back office, controllable, covenant, security department, fastness, certainty, earnest, sureness, guaranty, pact, audacity, tribute, pride, trade protection, secure, self-preservation, self-assurance, security system, self-defense, buckler, doubt, agreement, departmental, continue, compound interest, preventable, safekeeping, gage, pawn, safeness, avoidable, borrowing, safe, ammunition, security measure, stability, debt collector, acquisitions, extension, warrantor, guarantor, auspices, warrant, strength, sound, compact, warranter, self-confidence, protective cover, division, steadiness, forfeit, arm, sponsor, stableness, chutzpah, certificate, protector, divisional, borrowing power, security measures, financier, foreclose, customer services, harmless, conservation, custody, composure, credentials
guarantee (part of speech: noun)
defense (part of speech: noun)
backfire, guard, fortress, moat, cover, return, counterattack, protection, harbor, resistance, shelter, buffer, support, retort, answer, reply, barricade, wall, response, barrier, aversion, argument, screen, shield, rebuttal, stronghold, countermeasure, armor, defense
safety (part of speech: noun)
stability (part of speech: noun)
tightness (part of speech: noun)
- But before it could come in with any degree of security something else had to come and something else to go. - "Haydn", John F. Runciman.
- I will be security for his appearance when called for; and I know very well that he will not think of giving me the slip. - "Isaac T. Hopper", L. Maria Child.
- The beauty and security of this harbor are remarkable. - "The Captive in Patagonia", Benjamin Franklin Bourne.