Definition and meaning of English word "complain"
complain
/kəmˈpleɪn/
Meaning
VerbTo express feelings of pain, dissatisfaction, or resentment.
How to use
The verb 'complain' is often used in informal contexts to express dissatisfaction or discontent. A common mistake learners make is using 'complain' with the preposition 'about' when the object is a person, whereas 'complain to' is used when the object is a person. For example, 'I complained to the manager about the service.'
🇬🇧 English
complain
Example
She complains about the noise.
He complains about the food.
Your personal vocabulary
🦊 Use this word in a live AI conversationSynonyms
Common phrases
- complain about— to express dissatisfaction with something
- complain to— to express dissatisfaction to someone
- file a complaint— to submit a formal complaint
This concept in other languages
Frequency rank: #889 in English
Learn them all! 🚀
Master the 1000 most common English words with smart explanations, audio pronunciation, and spaced repetition.
Start Learning For Free →No sign-up required
Frequently Asked Questions
What does the English word "complain" mean?▼
The English word "complain" means "complain" in English.
How do you pronounce the English word "complain"?▼
You can hear the correct audio pronunciation of the word "complain" by clicking the play button next to the word at the top of this page.
Can I see an example sentence with "complain"?▼
Yes, here is a practical example: "He always complains about the weather." (which translates as "complain").
More Extended Verbs words
Related reading
Duolingo vs Anki vs Apps: Comparing Language Learning Methods in 2026
An honest comparison of popular language learning approaches: gamified apps, SRS flashcards, textbooks, tutors, and immersion. Pros, cons, and who each is best for.
Read →MethodWhat Is Spaced Repetition? The SM-2 Algorithm Explained Simply
Spaced repetition is the single most effective method for memorizing vocabulary. Learn how the forgetting curve works, how the SM-2 algorithm calculates review intervals, and why 20 minutes a day beats 2 hours of cramming.
Read →