unbound

adjective

un·​bound ˌən-ˈbau̇nd 

: not bound: such as

a(1)

: not fastened

(2)

: not confined

(3)

: not controlled or influenced

feels unbound by convention

b

: not having the leaves fastened together

an unbound book

c

: not bound together with other issues

unbound periodicals

d

: not held in chemical or physical combination

Synonyms of unbound

• loose
• free
• unconfined

Examples of unbound in a Sentence

He dresses however he likes and feels unbound by convention.

a test to determine the amount of unbound iron in the blood

Recent Examples on the Web

His vibrant original compositions were faithfully reproduced using stencil and combined with an original text written by the artist to form the unbound book. —Chadd Scott, Forbes.com, 10 Mar. 2026

Beginning March 7, the Art Institute of Chicago will be displaying an exhibition featuring a colorful unbound book of late-career works by French artist Henri Matisse. —Adam Harrington, CBS News, 3 Feb. 2026

Valadao’s campaign says the votes show the congressman is an independent thinker, unbound by partisan ideology. —David Lightman, Sacbee.com, 15 Jan. 2026

Doors, windows, unbound carpet, lighting fixtures, toilets, sinks, fencing, paint, and blinds should be taken to a household waste center or donated to a local Habitat for Humanity or ReStore. —Karen Brewer Grossman, Southern Living, 8 Jan. 2026

Word History

First Known Use

before the 12th century, in the meaning defined above

Rhymes for unbound

• abound
• aground
• around
• astound
• background
• campground
• clothbound
• confound
• earthbound
• eastbound
• expound
• fairground

Kids Definition

unbound

adjective

un·​bound ˌən-ˈbau̇nd 

1

a

: not fastened or tied up

unbound hair

b

: not kept within bounds

unbound spirit

2

: not having a binding

an unbound book