Another word for security
earnest, forfeit, token, pawn, pledge, surety, bond, collateral, assurance, gage, bail, certainty, promise, warranty, pact, compact, contract, covenant, agreement, sponsor, bondsman, hostage; see also protection 2.
Antonyms doubt*, broken faith, unreliability.
Another word for securitynoun
The quality or state of being safe:assurance, safeness, safety. See safety
Reliability in withstanding pressure, force, or stress:fastness, firmness, hardness, soundness, stability, stableness, steadiness, strength, sturdiness, sureness. See better, change, continue
The act or a means of defending:defense, guard, preservation, protection, protector, safeguard, shield, ward. See attack
Something given to guarantee the repayment of a loan or the fulfillment of an obligation:earnest2, guaranty, pawn1, pledge, token, warrant. See transactions