English Reference

Word

bind

US/ˈbaɪnd/

UK/bˈaɪnd/

Irregular verb

Forms

Infinitive

bind

Past

bound

Past participle

bound

Definitions

01to tie together

B1 · Intermediate

v. to tie or fasten things together tightly using rope, string, or tape.

v. to fasten or secure multiple objects together using a ligature or band. Transitive; requires a direct object.

“The workers used heavy rope to bind the logs together before moving them.”

“The kidnappers used plastic zip ties to bind the victim's hands, ensuring they were tight enough to prevent any chance of escape.”

Synonyms

Antonyms

02legal or moral duty

B2 · Upper Intermediate Law Formal

v. to force someone to do something because of a law, a promise, or a contract.

v. to impose a legal or moral obligation upon a person or entity. Often used in the passive voice.

“The contract will bind both companies to the agreement for three years.”

“The treaty is designed to bind all signatory nations to a strict schedule of carbon emission reductions over the next decade.”

Antonyms

03to stick together

B2 · Upper Intermediate Science

v. to make things stay together in a single mass, like ingredients in cooking.

v. to cause separate particles or substances to cohere or form a unified mass through chemical or physical attraction.

“You can add an egg to the mixture to help the breadcrumbs bind to the meat.”

“The researchers observed how the protein molecules bind to the surface of the cell, triggering a specific immune response.”

Synonyms

coherestickunite

Antonyms

04bookmaking

B2 · Upper Intermediate

v. to put the pages of a book together and fasten them inside a cover.

v. to assemble and fasten the sheets of a book together within a protective cover.

“The local shop can bind your university thesis in a professional leather cover.”

“The rare manuscript was bound in vellum during the sixteenth century, preserving the delicate parchment pages from environmental damage.”

Synonyms

05programming

C1 · Advanced Computing Technical

v. to connect a name or a key to a specific value or action in a computer program.

v. to associate an identifier with a value, or a symbolic name with a physical memory address or executable code.

“You can bind the 'jump' action to the spacebar in the game settings.”

“The framework allows developers to bind UI components directly to data models, ensuring the interface updates automatically when the underlying data changes.”

Synonyms

Antonyms

unbind

06to complain

C2 · Proficiency British English · Dialect

v. to complain or whine about something in an annoying way.

v. to grumble, complain, or whine persistently.

“Stop binding about the weather and just put on a coat.”

“He spent the entire afternoon binding about the minor changes to the office layout, much to the annoyance of his colleagues.”

Synonyms

07difficult situation

B2 · Upper Intermediate Countable noun Informal

n. a difficult situation where it is hard to decide what to do.

n. a difficult, restrictive, or embarrassing situation; a predicament.

“I'm in a bit of a bind because I promised to be in two places at once.”

“The sudden cancellation of the flight put the legal team in a serious bind, as they were expected in court the following morning.”

Synonyms

predicamentquandaryfix

Collocations

Common phrases and expressions where native English speakers use the word “bind” in context.

Verb

01. bind someone to

“The oath of secrecy binds the employees to confidentiality even after they leave.”

verb + noun + prep

02. bind together

“Shared values and a common history help to bind the community together.”

verb + adv

03. legally bind

“The signature on the contract will legally bind both parties to the terms.”

adv + verb

Noun

04. duty that binds

“It is a moral duty that binds us to help those who are less fortunate.”

noun + that-clause

05. ties that bind

“Family traditions are the ties that bind generations to one another.”

noun + that-clause

Preposition

06. in a bind

“I'm in a bit of a bind because I've lost my passport and my flight is in three hours.”

prep + noun

Real-World Examples

“Ties to parents and siblings are often expected to be permanent and unconditional, reinforced by cultural norms and laws that bind parents and children to one another, even when children become adults.”
The Conversation 17 Aug 2026
“This negatively charged electron and the positively charged "hole" it leaves behind can bind together through their Coulomb attraction.”
Phys.org 15 Aug 2026
“Because they’re so stable, scientists can tailor them to recognize and bind to specific biological targets.”
The Conversation 31 Jul 2026

Word family

VERB

bind(C1)

Domains

ChemistryLawMusicProgramming

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Frequent
Level
C1 · AdvancedOxford
Updated

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English Reference