cold start: meaning, definition, pronunciation and examples

B2/C1
UK/ˌkəʊld ˈstɑːt/US/ˌkoʊld ˈstɑːrt/

Technical (esp. computing/engineering), Business, Informal

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Quick answer

What does “cold start” mean?

The act of starting something (an engine, system, or process) from a state of complete inactivity, without prior warming or preparation.

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Pronunciation

Definition

Meaning and Definition

The act of starting something (an engine, system, or process) from a state of complete inactivity, without prior warming or preparation.

A difficult or inefficient beginning of any process, project, or relationship that lacks momentum, prior data, or established context.

Dialectal Variation

British vs American Usage

Differences

No major syntactic or semantic differences. The term is used identically in both technical and metaphorical contexts.

Connotations

Slightly more common in American business jargon (e.g., 'cold start problem'). In UK engineering contexts, 'cold start' may be more literally associated with vehicle engines in cold weather.

Frequency

Equally frequent in technical domains. Possibly more prevalent in American tech startup culture.

Grammar

How to Use “cold start” in a Sentence

[verb] a cold start (perform, execute, avoid)cold start of [noun] (cold start of the server)[adjective] cold start (problematic, smooth, successful)

Vocabulary

Collocations

strong
engine cold startcold start problemsystem cold startperform a cold start
medium
difficult cold startavoid a cold startcold start scenario
weak
complete cold starttypical cold startcold start phase

Examples

Examples of “cold start” in a Sentence

verb

British English

  • You may need to cold-start the generator if it's been off for weeks.
  • The technician advised against cold-starting the old turbine.

American English

  • The app takes longer to cold-start on older phones.
  • Never cold-start that engine without checking the oil first.

adjective

British English

  • The cold-start procedure is detailed in the manual.
  • We experienced cold-start issues with the new software.

American English

  • The cold-start performance is critical for our service.
  • They solved the cold-start problem with a clever algorithm.

Usage

Meaning in Context

Business

Refers to launching a new venture with no existing customer base, network, or data. 'The sales team faced the cold start problem in the new market.'

Academic

Used in computer science and engineering literature to describe systems initialising without prior state. 'The experiment measured latency during a cold start.'

Everyday

Can describe any difficult beginning, like waking up early. 'My brain had a cold start on Monday morning.'

Technical

Specific term in computing (serverless functions, databases), automotive engineering (starting a cold engine), and thermodynamics.

Vocabulary

Synonyms of “cold start”

Strong

from zeroboot-upignition (for engines)

Neutral

initial startupfrom scratchfrom a standstill

Weak

fresh startnew beginningkick-off

Vocabulary

Antonyms of “cold start”

Watch out

Common Mistakes When Using “cold start”

  • Using 'cold start' as a verb without an article (e.g., 'We need to cold start' is informal/technical; prefer 'perform a cold start').
  • Confusing it with 'hard start' (which implies force, not temperature/state).

FAQ

Frequently Asked Questions

It is a two-word noun phrase, often hyphenated when used as a compound modifier (e.g., 'cold-start procedure').

Yes, especially in technical jargon (e.g., 'cold-start the server'), but in formal writing, 'perform a cold start' is more common.

A 'warm start' or 'hot start,' where a system restarts or resumes with cached data and pre-initialised processes, making it much faster.

Yes, it's commonly used in business, marketing, and everyday language to metaphorically describe any difficult beginning from a state of zero preparation or momentum.

The act of starting something (an engine, system, or process) from a state of complete inactivity, without prior warming or preparation.

Cold start is usually technical (esp. computing/engineering), business, informal in register.

Cold start: in British English it is pronounced /ˌkəʊld ˈstɑːt/, and in American English it is pronounced /ˌkoʊld ˈstɑːrt/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • Starting from a cold start
  • It's a cold start situation.

Learning

Memory Aids

Mnemonic

Imagine a car on a freezing morning—it struggles to start. 'Cold Start' is that sluggish, difficult beginning for anything.

Conceptual Metaphor

BEGINNING IS STARTING AN ENGINE / PROCESS IS A MACHINE

Practice

Quiz

Fill in the gap
The new recommendation algorithm struggled with the problem, as it had no prior user data to analyse.
Multiple Choice

In which context is 'cold start' LEAST likely to be used?

Practise

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