Lament vs Mourn vs What's down there that you regret

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

Lament

FormalBeyond 10,000 (less common)

Mourn

Top 3,000 (common)B1verb

What's down there that you regret

Beyond 10,000 (less common)
Most formal: LamentMost common: Mourn
 LamentMournWhat's down there that you regret
Pronunciation🇬🇧 //ləˈmɛnt//🇺🇸 //ləˈmɛnt//🇬🇧 //mɔːn//🇺🇸 //mɔrn//🇬🇧 //wɒts daʊn ðeə ðæt jʊ rɪˈɡrɛt//🇺🇸 //wʌts daʊn ðɛr ðæt ju rɪˈɡrɛt//
Meaningto express sadness or regretTo feel sadness for someone who has died.Something you feel sad about not doing or saying.
ExampleShe began to lament the loss of her childhood home.Many people continue to mourn the loss of their loved ones.She asked, 'What's down there that you regret about your past decisions?'
RegisterFormalNeutralNeutral
How commonBeyond 10,000 (less common)Top 3,000 (common)Beyond 10,000 (less common)
CEFR level-B1-
Part of speechverb
Collocationslament someone's death, lament the past, lament a mistakemourn a death, mourn the loss, mourn deeply, mourn in silenceregret a decision, regret a choice, regret not saying, regret leaving, regret missing out
Antonymsrejoice, celebrate, delightcelebrate, rejoice-
Common mistakesConfused with 'lamentation', which is the noun form., Used too casually among friends., Incorrectly spelled as 'lamant'.Confused with 'mourning' (the process of grieving)., Incorrect verb form in sentences., Using 'mourn' with an inanimate object.Confusing 'regret' with 'forget' in context., Using 'what's down there' too literally, when it's about feelings., 'Regret' mistakenly used in a positive context.
Usage notesBest used in serious contexts like literature or speeches. Avoid in casual conversation.Used in both formal and informal contexts. Appropriate when discussing grief or death. Avoid using in light-hearted conversations.Use in situations where someone reflects on past actions or choices. Suitable for discussions about feelings, but avoid in casual small talk.

See it in real clips

Lament
Mourn
What's down there that you regret

Frequently asked questions: Lament vs Mourn vs What's down there that you regret

What's the difference between Lament, Mourn, and What's down there that you regret?

Lament: to express sadness or regret Mourn: To feel sadness for someone who has died. What's down there that you regret: Something you feel sad about not doing or saying.

Which is more formal: Lament, Mourn, and What's down there that you regret?

Lament is the most formal of these.

Which is more common: Lament, Mourn, and What's down there that you regret?

Mourn is the most common in everyday English.

Can you show an example of each?

Lament: She began to lament the loss of her childhood home. Mourn: Many people continue to mourn the loss of their loved ones. What's down there that you regret: She asked, 'What's down there that you regret about your past decisions?'

Can I use Lament, Mourn, and What's down there that you regret interchangeably?

Not always. Lament, Mourn, and What's down there that you regret 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.

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