Unbound

//ʌnˈbaʊnd// adj, verb

adj, verb ·Moderate ·College level

Definitions

Verb
  1. 1
    simple past and past participle of unbind form-of, participle, past
Adjective
  1. 1
    Not bound.; Not obligated. not-comparable

    "Near-synonyms: unconstrained, unrestrained, unencumbered; unfettered, fetterless"

  2. 2
    Not bound.; Not tied up. not-comparable

    "Near-synonyms: unfettered, fetterless, unrestrained, unchained, unshackled, shackleless, unmanacled, unhandcuffed"

  3. 3
    Not bound.; Without a binding. not-comparable

    "an unbound book"

  4. 4
    Not bound.; Lying beyond the proton or neutron drip line; having a negative particle separation energy; capable of decaying by the spontaneous exothermic emission of one or more nucleons. not-comparable

    "Helium-2 is unbound, as it is energetically favorable for it to split into two separate protons."

Adjective
  1. 1
    not restrained or tied down by bonds wordnet
  2. 2
    not secured within a cover wordnet
  3. 3
    not held in chemical or physical combination wordnet

Synonyms

All synonyms
freeunfettered;absoluteadriftafloat

Antonyms

All antonyms
bound

Example

More examples

"When a book is covered in cloth of a good dark tint it may be allowed to remain unbound, but the primrose and lilac hues soon call out for the aid of the binder."

Related phrases

unbound state

More for "unbound"

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.