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Business vocabularyphrasal verb · /rʌn aʊt ɒv/

run out of

In simple English

To completely use up a resource until none remains. Common in tech when discussing storage, memory, time, or budget constraints.

Someone heard a colleague say they "ran out of" something at work and wants to understand this phrasal verb.

At a glanceCEFR B1–B2
Commonness
Versatility
FormalityCasualFormalNeutral
Spoken ↔ WrittenSpokenWrittenBoth
Directness ↔ DiplomaticDirectDiplomaticNeutral
Region

Say it like this

We're running out of time on this sprint.
The server ran out of memory and crashed.
I've run out of ideas for this bug.
We ran out of budget for the new feature.
Don't let us run out of test data.

Real examples

Standup

"I'm blocked because the staging server ran out of disk space overnight."

Slack message

"Heads up: we're about to run out of API credits for the month."

GitHub PR

"The CI pipeline failed because it ran out of memory during the build."

Jira ticket

"Users report the app crashes when the device runs out of storage."

Retrospective

"We ran out of time for proper testing, which caused the bug in production."

Sprint planning

"We might run out of capacity if we add more stories to this sprint."

Pair programming

"Wait, I've run out of test cases to try. Let me think of more."

Don't say this

We run out of the time.
We ran out of time.Don't use 'the' before uncountable nouns like time, space, or memory in this phrase.
The server run out memory.
The server ran out of memory.You need 'of' after 'run out'. Also use past tense 'ran' when reporting what happened.
We are running out from budget.
We are running out of budget.The preposition is always 'of', never 'from'.

Other forms

base form

run out of

"We might run out of time."

past simple

ran out of

"The server ran out of memory."

present continuous

running out of

"We're running out of options."

present perfect

have/has run out of

"I've run out of ideas."

past participle

run out of

"Having run out of budget, we paused the project."

Often used with

run out of timeVery common — deadlines, sprints, meetings
run out of memoryTechnical — servers, apps, processes
run out of storage/disk spaceTechnical — devices, cloud services
run out of budgetProject management context
run out of optionsWhen there are no more solutions to try
run out of ideasWhen brainstorming stops working

Similar words

use upMore casual, same meaning
exhaustMore formal, often used in documentation
depleteTechnical/formal, common in system logs
finishSimpler but less specific about the problem

Opposites

have plenty ofhave enoughreplenishstock up onfree up

Practice

Try it

4 quick exercises

Choose the most natural sentence

1. Which sounds most natural in a standup?

Fill in the blank

2. We're _____ out of API calls for this month.

Spot the mistake

3. We run out of the storage space yesterday.

Rewrite naturally

4. The server has no more memory. (Use 'run out of')

More words

Questions

Quick poll

Have you said "run out of" in a standup this week?

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