security

security

noun

Definition of SECURITY

1

means or method of defending <measures taken to beef up our national security>

Synonyms aegis (also egis), ammunition, armor, buckler, cover, guard, protection, safeguard, screen, security, shield, wall, ward

Related Words arm, armament, munitions, weapon, weaponry; fastness, fort, fortress, palisade, stronghold

Near Antonyms aggression, assault, attack, offense (or offence), offensive

2

something given or held to assure that the giver will keep a promise <their house will serve as security for the loan>

Synonyms gage, guarantee, guaranty, pawn, security

Related Words bail, bond; deposit, down payment, earnest, handsel; surety, warranty; assurance, oath, promise, troth, word; commitment, compact, contract, covenant; recognizance

3

the state of not being exposed to danger <after the burglaries, police presence in the neighborhood was enhanced to give residents a stronger sense of security>

Synonyms protection, safeness, security

Related Words aegis (also egis), cover, defense, guardianship, ward; guard, safeguard, screen, shield; asylum, harbor, haven, refuge, retreat, shelter; impregnability, impregnableness, invincibility, invincibleness, inviolability, inviolableness, invulnerability, invulnerableness

Near Antonyms hazard, risk, threat; instability, precariousness; harm's way; exposure, liability, openness, violability, vulnerability, vulnerableness; susceptibility, susceptibleness

Antonyms danger, distress, endangerment, imperilment, jeopardy, peril, trouble