Say it like this
- We should fail fast and iterate based on user feedback.
- Our fail-fast approach helped us identify the issue early.
- Let's fail fast rather than spend months planning in a vacuum.
Use it at work
Product
- Let's fail fast: build a small test and see if users care.
- We failed fast on that idea and saved months.
In code
- The service should fail fast if the config is missing.
- Fail fast here instead of returning bad data.
Culture
- We want a fail-fast culture where mistakes are OK.
- Failing fast only works if we learn from it.
Don't say this
Fail fast is a philosophy or approach, not an action verb. You do not fail fast something; you take a fail-fast approach.
Practice
Try it
4 quick exercises
1. Your manager wants to release a new feature quickly to test the market. What do you say?
2. Our startup culture emphasizes a _______ mindset, which helps us adapt quickly.
3. Which sentence uses fail fast correctly?
4. Rewrite this sentence using fail fast: 'We want to test this idea with users quickly instead of planning everything first.'
Say it out loud
Phrase 1 of 3
"We should fail fast and iterate based on user feedback."
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More about fail fast
Real examples(3)
- in a standup
"We decided to fail fast with the payment integration, so we shipped it to 5% of users first."
- in a code review
"This implementation is good enough to fail fast; we can optimize after we see how users interact with it."
- in a team meeting
"Instead of debating for another two weeks, let's fail fast and launch the prototype to gather real data."
More mistakes(2)
Handle with care. Do not use 'fail fast' to mean literal speed of failure. It refers to a philosophy of discovering problems early through rapid iteration, not rushing recklessly.
- ✕Failing fast means our code is bad.✓Failing fast means we test quickly to find problems early.
Fail fast is not about poor quality code; it is about discovering issues rapidly to improve quality through iteration.
- ✕We failed fast because we shipped without testing.✓We adopted a fail-fast strategy, which means we tested the MVP with real users quickly.
Fail fast includes structured testing and monitoring, not reckless shipping without any checks.
Other forms(3)
- fail fast noun
"Fail fast is a core principle of our development process."
- fail-fast adjective
"Our fail-fast approach allows us to iterate rapidly."
- to fail fast verb
"We want to fail fast with this experiment before investing more resources."
Often used with(5)
- fail-fast approach · The most common collocation; describes the overall methodology
- fail-fast culture · Used to describe a company or team that embraces rapid experimentation
- fail-fast mindset · Describes the psychological attitude of accepting early failures
- embrace fail fast · Means to adopt or support the fail-fast philosophy
- fail fast and iterate · A common pairing emphasizing the cycle of testing, failing, and improving
Similar words(4)
- rapid iteration · Similar concept but emphasizes the cyclical improvement process rather than the philosophy of early failure
- agile development · A broader methodology that includes fail fast as one of its principles
- test early, test often · Describes the testing aspect of fail fast but does not capture the full philosophy
- lean startup · A business methodology that heavily emphasizes fail fast principles
Opposites(3)
- waterfall development
- big bang release
- extensive upfront planning
Questions(5)
- What does fail fast mean in software engineering?
- Fail fast is a development philosophy that prioritizes discovering problems early through rapid testing and iteration, rather than spending months planning before release. It means releasing features quickly, gathering real user feedback, and improving based on what you learn.
- How do you use fail fast in a sentence at work?
- You typically use it as a noun phrase or adjective. Examples: 'We adopted a fail-fast approach for this project.' or 'Our fail-fast culture allows us to pivot quickly.' You do not usually use it as a direct verb, such as 'we fail fast the project.'
- Is fail fast formal or informal?
- Fail fast is neutral in formality. It is widely used in professional tech environments, startup pitches, and formal discussions, but it is more casual than legal or corporate jargon. You can use it in interviews, team meetings, and business presentations.
- Does fail fast mean low quality?
- No. Fail fast does not mean releasing poor quality code or being careless. It means testing quickly to find real problems, not theoretical ones. Teams using fail-fast approaches still have monitoring, testing, and quality checks in place.
- What is the difference between fail fast and agile?
- Agile is a broader development methodology that includes many practices. Fail fast is a specific philosophy within agile that emphasizes rapid experimentation and early discovery of problems. All fail-fast approaches are agile, but not all agile teams emphasize fail-fast equally.
