English Reference

Word

assembly

Phoneticsas·sem·bly, stress on the second syllable

US/əˈsɛmbɫi/

UK/ɐsˈɛmbli/

Definitions

01a gathering of people

B1 · Intermediate Countable noun

n. a group of people who meet together in one place for a specific reason, like a school meeting.

n. a congregation of people gathered in one place for a common purpose, often used in educational or religious contexts.

“The principal made an announcement during the morning assembly in the hall.”

“The school holds a weekly assembly to celebrate student achievements and foster a sense of community among the various year groups.”

02putting parts together

B2 · Upper Intermediate Uncountable noun

n. the process of building something by joining different parts together.

n. the act or process of constructing a mechanism or device from its constituent parts.

“The assembly of the new bookshelf took much longer than I expected.”

“The factory streamlined the assembly of the engines, reducing the total production time by nearly fifteen percent.”

Usage

Often used in the compound 'assembly line'.

Antonyms

disassemblydismantling

03a legislative body

C1 · Advanced Countable noun Politics Formal

n. a group of people who have the power to make or change laws for a country or state.

n. a formal legislative body or parliament, often representing the lower house in certain jurisdictions.

“The national assembly voted to pass the new environmental law yesterday.”

“The regional assembly debated the proposed budget for several hours before reaching a consensus on infrastructure spending.”

Usage

Often capitalized when referring to a specific body, such as the General Assembly.

04a finished mechanism

C1 · Advanced Countable noun Technical

n. a complete set of parts that work together as one machine or tool.

n. a discrete unit or mechanism consisting of several components that have been fitted together.

“The mechanic had to replace the entire brake assembly because it was rusted.”

“Engineers discovered a flaw in the tail assembly of the aircraft, leading to a temporary grounding of the entire fleet.”

05programming language

C2 · Proficiency Uncountable noun Computing Technical

n. a low-level computer language that is very close to how a computer's hardware works.

n. a low-level programming language in which there is a very strong correspondence between the instructions and the architecture's machine code.

“He learned to write in assembly to make his computer games run faster.”

“Writing the driver in assembly allowed the developer to optimize performance for the specific hardware constraints of the embedded system.”

Usage

Uncountable when referring to the language itself.

Teaching tip

In modern contexts, this is almost always a shortened form of 'assembly language'.

Synonyms

assembly language

Collocations

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

Verb

01. address the assembly

“The diplomat was invited to address the assembly regarding the new environmental protocols.”

verb + noun

02. convene an assembly

“The president decided to convene an assembly to discuss the urgent constitutional reforms.”

verb + noun

03. facilitate the assembly

“New robotic arms were installed to facilitate the assembly of the electric vehicle engines.”

verb + noun

Adjective

04. constituent assembly

“A constituent assembly was formed to draft the nation's new democratic framework.”

adj + noun

05. legislative assembly

“The bill was passed by the regional legislative assembly after a heated three-day debate.”

adj + noun

Noun

06. assembly line

“The factory workers spent eight hours a day monitoring the automated assembly line.”

noun + noun

07. freedom of assembly

“The protesters argued that the new law restricted their fundamental right to freedom of assembly.”

noun + of + noun

Preposition

08. in assembly

“The students were gathered in assembly to hear the principal's announcement about the scholarship.”

prep + noun

Real-World Examples

“Police fired water cannon and teargas and swung batons as they tried to stop flag-waving demonstrators from clambering over barricades and surging towards the assembly in Ranchi, the state capital.”
The Guardian 10 Aug 2026
“Representatives from the BMA will go to Stormont on Thursday where they will meet with the chair and deputy chair of the assembly's health committee to discuss the pay dispute.”
BBC News 25 Jun 2026

Word family

NOUN

assembly(C1)

Related words

Domains

ComputingMilitaryPolitics

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
Common
Level
C1 · AdvancedOxford
Updated

QR code

englishreference.com/q/assembly

English Reference