Security
Merriam-Webster Online Dictionary
security (noun)1.
the quality or state of being as - secure
a) freedom from danger - safety
b) freedom from fear or anxiety
c) freedom from the prospect of being laid off - job security
2.
a) something given, deposited, or pledged to make certain the fulfillment of an obligation
b) - surety
3.
an instrument of investment in the form of a document (as a stock certificate or bond) providing evidence of its ownership
4.
a) something that - secures protection
b) (1) measures taken to guard against espionage or sabotage, crime, attack, or escape
(2) an organization or department whose task is security
Merriam-Webster Online Thesaurus
security (noun)1.
means or method of defending
SYNONYMS:
aegis ( egis), ammunition, armor, buckler, cover, guard, protection, safeguard, screen, security, shield, wall, wardRELATED WORDS:
arm, armament, munitions, weapon, weaponry; fastness, fort, fortress, palisade, strongholdNEAR ANTONYMS:
aggression, assault, attack, offense ( offence), offensive2.
something given or held to assure that the giver will keep a promise
SYNONYMS:
gage, guarantee, guaranty, pawn, securityRELATED WORDS:
bail, bond; deposit, down payment, earnest, handsel; surety, warranty; assurance, oath, promise, troth, word; commitment, compact, contract, covenant; recognizance3.
the state of not being exposed to danger
SYNONYMS:
protection, safeness, securityRELATED WORDS:
aegis ( egis), cover, defense, guardianship, ward; guard, safeguard, screen, shield; asylum, harbor, haven, refuge, retreat, shelter; impregnability, impregnableness, invincibility, invincibleness, inviolability, inviolableness, invulnerability, invulnerablenessNEAR ANTONYMS:
hazard, risk, threat; instability, precariousness; harm's way; exposure, liability, openness, violability, vulnerability, vulnerableness; susceptibility, susceptibleness