Synonyms of security

security

noun

si-ˈkyu̇r-ə-tē 

1

as in defense

means or method of defending

measures taken to beef up our national security

Synonyms & Similar Words

• defense
• protection
• ammunition
• safeguard
• shield
• wall
• weapon
• guard
• screen
• armor
• ward
• armament
• cover
• aegis
• weaponry
• munitions
• buckler
• fortress
• stronghold
• arm
• fort
• palisade
• fastness

Antonyms & Near Antonyms

• attack
• assault
• offense
• aggression
• offensive

2

as in guarantee

something given or held to assure that the giver will keep a promise

their house will serve as security for the loan

Synonyms & Similar Words

• guarantee
• pledge
• promise
• assurance
• guaranty
• gage
• pawn
• deposit
• bond
• bail
• down payment
• contract
• warranty
• surety
• commitment
• oath
• earnest
• covenant
• compact
• recognizance
• word
• handsel
• troth

3

as in safety

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 & Similar Words

• safety
• protection
• defense
• safeness
• shelter
• refuge
• shield
• guardianship
• safeguard
• asylum
• screen
• ward
• guard
• aegis
• retreat
• inviolability
• harbor
• invulnerability
• cover
• invincibility
• haven
• impregnability
• invincibleness
• impregnableness
• inviolableness
• invulnerableness

Antonyms & Near Antonyms

• danger
• risk
• threat
• trouble
• distress
• jeopardy
• peril
• hazard
• instability
• endangerment
• precariousness
• vulnerability
• imperilment
• liability
• exposure
• openness
• susceptibility
• harm's way
• violability
• vulnerableness
• susceptibleness

Example Sentences

Recent Examples of security

Tyson said investigators are interviewing witnesses, reviewing security footage and coordinating with the Anson County Sheriff’s Office, which responded to the office Tuesday after a confrontation between Helms and others. — Nora O'Neill, Charlotte Observer, 25 July 2026

News of Melania’s absence comes after worries about security have escalated amid the conflict with Iran. — Stylecaster Editors, StyleCaster, 24 July 2026

Informal workers, who make up nearly 90 percent of India’s workforce, generally lack job security and often don’t have decent housing, IIED noted. — Jasmin Malik Chua, Footwear News, 24 July 2026

The military said the Palestinian man took the weapon from a security officer from the nearby Havat Gilad settlement. — Abeer Salman, CNN Money, 24 July 2026