Complain vs Lament

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

Complain

Top 1,000 (very common)A2verb

Lament

FormalBeyond 10,000 (less common)
Most formal: LamentMost common: Complain
 ComplainLament
Pronunciation🇬🇧 /["/kəmˈpleɪn/","/kəmˈpleɪnz/","/kəmˈpleɪnd/","/kəmˈpleɪnɪŋ/"]/🇺🇸 /["/kəmˈpleɪn/","/kəmˈpleɪnz/","/kəmˈpleɪnd/","/kəmˈpleɪnɪŋ/"]/🇬🇧 //ləˈmɛnt//🇺🇸 //ləˈmɛnt//
MeaningTo say you are unhappy about something.to express sadness or regret
ExampleShe always likes to complain about her job.She began to lament the loss of her childhood home.
RegisterNeutralFormal
How commonTop 1,000 (very common)Beyond 10,000 (less common)
CEFR levelA2-
Part of speechverb
Collocationsbitterly, loudly, constantly, cannot, can hardly, have cause to, about, at, tolament someone's death, lament the past, lament a mistake
Antonymspraise, approve, agreerejoice, celebrate, delight
Common mistakes'Complain' is often confused with 'compliment', which has a positive meaning., Learners may forget to include 'about' after 'complain'., Using 'complain' in overly formal situations can sound rude.Confused with 'lamentation', which is the noun form., Used too casually among friends., Incorrectly spelled as 'lamant'.
Usage notesUse 'complain' when expressing dissatisfaction. It's neutral and fits most contexts. Avoid in formal writing where more courteous language might be preferred.Best used in serious contexts like literature or speeches. Avoid in casual conversation.

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Lament

Frequently asked questions: Complain vs Lament

What's the difference between Complain and Lament?

Complain: To say you are unhappy about something. Lament: to express sadness or regret

Which is more formal: Complain and Lament?

Lament is the most formal of these.

Which is more common: Complain and Lament?

Complain is the most common in everyday English.

Can you show an example of each?

Complain: She always likes to complain about her job. Lament: She began to lament the loss of her childhood home.

Can I use Complain and Lament interchangeably?

Not always. Complain and Lament 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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