Failure vs Flop

When to use each in English, with meaning, register, and examples.

Failure

Top 1,000 (very common)B2noun

Flop

Top 2,000 (common)
Most common: Failure
 FailureFlop
Pronunciation🇬🇧 /["/ˈfeɪljə(r)/"]/🇺🇸 /["/ˈfeɪljər/"]/🇬🇧 //flɒp//🇺🇸 //flɑp//
Meaningnot succeeding in somethingTo fall or drop heavily or suddenly
ExampleHis failure to meet the deadline cost the company a valuable contract.The new movie was expected to be a hit, but it turned out to be a complete flop.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)
CEFR levelB2-
Part of speechnoun
Collocationscomplete, total, abject, be doomed to, end in, result in, rate, fear of failure, a history of failure, a possibility of failure, big, great, serious, be, represent, prove, arise from something, failure of, fundamental, general, manifest, excuse, justify, constitute, mechanical, structural, technical, cause, lead to, result in, occur, failure in, mechanical, structural, technical, cause, lead to, result in, occur, failure in, mechanical, structural, technical, cause, lead to, result in, occur, failure inflop down, major flop, financial flop, flop over, flop around
Antonymssuccess, achievement, victory-
Common mistakesUsing 'failure' as a verb instead of a noun., Confusing 'failure' with 'fault,' thinking they mean the same., Not using appropriate prepositions, such as saying 'failure of' instead of 'failure to.'Confused with 'flip' - to turn over quickly., Using 'flop' in a positive context when it usually indicates failure.
Usage notesUse 'failure' to describe a lack of success in a specific endeavor. Avoid in very formal documents unless necessary. In casual conversations, 'failure' can sound heavy; people may prefer 'not succeeding.'Used to describe something that fails badly, especially in entertainment. Generally informal but acceptable in most contexts.

Frequently asked questions: Failure vs Flop

What's the difference between Failure and Flop?

Failure: not succeeding in something Flop: To fall or drop heavily or suddenly

Which is more common: Failure and Flop?

Failure is the most common in everyday English.

Can I use Failure and Flop interchangeably?

Not always. Failure and Flop are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

Related comparisons