Failed vs Has betrayed us

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

Failed

Top 1,000 (very common)B2adjective

Has betrayed us

Beyond 10,000 (less common)
Most common: Failed
 FailedHas betrayed us
Pronunciation🇬🇧 /["/feɪld/"]/🇺🇸 /["/feɪld/"]/🇬🇧 //hæz bɪˈtreɪdɪd ʌs//🇺🇸 //hæz bɪˈtreɪdəd ʌs//
Meaningnot successfulHas not been loyal to us.
Examplea failed writerI can't believe he has betrayed us after all we've done for him.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Beyond 10,000 (less common)
CEFR levelB2-
Part of speechadjective
Collocationsfailed attempt, failed experiment, failed project, failed to meet, failed gradeshas brutally betrayed us, has completely betrayed us, has truly betrayed us
Antonymssucceeded, achieved, triumphed-
Common mistakesConfusing 'failed' with 'fail' (incorrect verb tense), Using 'failed' with the wrong object (e.g., 'failed the test' instead of 'failed in the test'), Overusing it in informal contexts where lighter terms would be more appropriateConfused with 'betrayed' vs 'betray' (verb tense confusion)., Using 'has' incorrectly with other subjects., 'Us' sometimes replaced with 'me' incorrectly.
Usage notesUse 'failed' to describe attempts that did not succeed. It's neutral and can be used in various contexts, from academic to casual conversations.Use ‘has betrayed us’ in contexts of disappointment or trust issues. Avoid in casual settings where lightheartedness is preferred.

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Failed
Has betrayed us

Frequently asked questions: Failed vs Has betrayed us

What's the difference between Failed and Has betrayed us?

Failed: not successful Has betrayed us: Has not been loyal to us.

Which is more common: Failed and Has betrayed us?

Failed is the most common in everyday English.

Can you show an example of each?

Failed: a failed writer Has betrayed us: I can't believe he has betrayed us after all we've done for him.

Can I use Failed and Has betrayed us interchangeably?

Not always. Failed and Has betrayed us 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.