first run: meaning, definition, pronunciation and examples

B2
UK/ˌfɜːst ˈrʌn/US/ˌfɜːrst ˈrʌn/

Neutral to formal; common in business, technical, and media contexts.

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Quick answer

What does “first run” mean?

the initial performance, operation, or production of something, often suggesting it is a test or prototype.

Audio

Pronunciation

Definition

Meaning and Definition

the initial performance, operation, or production of something, often suggesting it is a test or prototype.

A period, event, or instance of something being done for the first time, such as the first showing of a film in cinemas, the first batch of a manufactured product, or the initial execution of a process.

Dialectal Variation

British vs American Usage

Differences

Usage is largely identical. In film/theatre, both use 'first run' to describe initial exhibition.

Connotations

In business/tech, slightly stronger connotation of a prototype or beta version in AmE.

Frequency

Slightly more frequent in American business and manufacturing jargon.

Grammar

How to Use “first run” in a Sentence

The [PRODUCT] had a successful first run.We are preparing for the first run of the [MACHINE/SOFTWARE].The film is in its first run.

Vocabulary

Collocations

strong
first run offirst run productionfirst run theatrefirst run printingfirst run edition
medium
successful first runinitial first runcomplete the first runduring the first run
weak
first run problemsfirst run experiencefirst run versionfirst run test

Examples

Examples of “first run” in a Sentence

verb

British English

  • 'First-run' is not commonly used as a verb.

American English

  • 'First-run' is not commonly used as a verb.

adverb

British English

  • 'First-run' is not used as an adverb.

American English

  • 'First-run' is not used as an adverb.

adjective

British English

  • It's a first-run printing of the novel.
  • The film is only showing in first-run cinemas.

American English

  • We identified a bug in the first-run software.
  • It's a first-run edition of the collector's magazine.

Usage

Meaning in Context

Business

Refers to the initial manufacturing batch or pilot service launch.

Academic

Used in engineering or process descriptions for initial trials.

Everyday

Common when discussing films ('Is it still in its first run?') or new product trials.

Technical

The initial execution of a software script, machine cycle, or production line.

Vocabulary

Synonyms of “first run”

Strong

maiden voyageinaugural runprototype phase

Neutral

initial productionpremieredebutlaunch

Weak

trial runtest batchpilot

Vocabulary

Antonyms of “first run”

final runlast batchre-runencore

Watch out

Common Mistakes When Using “first run”

  • Using as a verb (e.g., 'We will first run the test' is a different structure). Confusing with 'test run' (which is purely for testing).

FAQ

Frequently Asked Questions

It is typically written as two separate words, though hyphenated as 'first-run' when used attributively (e.g., 'first-run cinema').

A 'first run' is the genuine initial production or performance. A 'test run' is a trial conducted before the official start, often to check functionality.

Yes, it commonly refers to the initial execution of a program, script, or installation sequence (e.g., 'on first run, the app asks for permissions').

It is more common in specific contexts like business, manufacturing, or film. In casual talk, people might simply say 'the first time' or 'the debut'.

the initial performance, operation, or production of something, often suggesting it is a test or prototype.

First run is usually neutral to formal; common in business, technical, and media contexts. in register.

First run: in British English it is pronounced /ˌfɜːst ˈrʌn/, and in American English it is pronounced /ˌfɜːrst ˈrʌn/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • It's just a first run (it's not the final version).

Learning

Memory Aids

Mnemonic

Think of a 'first run' like a runner's first race — it's the debut performance.

Conceptual Metaphor

PRODUCTION IS A JOURNEY (the first leg of the journey).

Practice

Quiz

Fill in the gap
After the of the new machinery, engineers will analyse the data for improvements.
Multiple Choice

In which context is 'first run' LEAST likely to be used?