unbound
adjective
1. not secured within a cover
- an unbound book
Similar word(s): looseleaf
2. not restrained or tied down by bonds
Similar word(s): unchained, unfettered, unshackled, untied, untethered, free
3. not held in chemical or physical combination
Similar word(s): free
verb
1. simple past tense of unbind
2. past participle of unbind