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

Ideas flow when the body is occupied but the mind is unbound. — Karen Palmer september 19, Literary Hub, 19 Sep. 2025

Tiwa Savage has stepped into her era of emotional depth—unbound and unbothered. — Essence, 4 Dec. 2025

Then the coach known as the most impulsive man on an NFL sideline runs that stop sign, grits his teeth and breaks unbound into character. — Michael Silver, New York Times, 16 June 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

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