1. Not firmly fastened or secured
   - unbarred, unbolted, unlatched, unlocked 
2. Without financial security
   "an unsecured note"
   - unguaranteed

See also: insecure, unfastened, unsafe

• spectrographic
• gradable opposition
• gradate
• gradation
• gradational
• gradatory
• grade
• grade crossing
• grade insignia
• grade point
• grade point average
• grade school
• grade separation
• grade-appropriate
• grade-constructed
• graded
• grader
• gradient
• grading
• gradual
• gradualism
• graduality
• gradually
• gradualness
• graduand