1. The state of being sure; certainty.

2. Certainty; security; safety; foundation of stability; confirmation; security against loss or damage; one who is bound with and for another; a bail; a hostage.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• surey,
• serenty,
• surevy,
• suceity,
• sevety,
• sfety,
• pureto,
• varety,
• serets,
• stret,
• sureys,
• surevey,
• seurity,
• surele,
• sured,
• asurity,
• stroty,
• verety,
• surelly,
• secrety

• surrett,
• Surrette,
• surette,
• surratt.

The adverb form of "surety" is "surely".

The adjective form of the word "surety" is "sure".

The plural of the "surety" can be the "sureties".

The singular of the "surety" can be the "surety".