compulsory - Master This Word
Master this word with our 5-step learning method – Learn English in English
compulsory Word Meanings
- required by law or a rule
- mandatory, not optional
- obligatory, must be done
compulsory Example Sentences
Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.
compulsory Phonetic & Pronunciation
UK
/kəmˈpʌl.sər.i/
US
/kəmˈpəl.səri/
compulsory Word Etymology
Root decomposition: 'com-' (together) + 'puls' (drive). Historical origin: Latin 'compulsorius', from 'compellere' → Old French 'compulsif' → English. Memory image: Imagine a group of students compelled (driven together) to attend a class they cannot skip, illustrating the essential, non-optional nature of 'compulsory'.
Note 1: These definitions and etymologies are not standard dictionary definitions, but extended explanations provided to help with memorization and understanding of the actual application of words. Through this background information, we strive to make words more vivid and easier to understand, and help you remember their meanings in real life.
Note 2: LexiTalk designs the learning flow around the linguistics principle of “Comprehensible Input.” When learners encounter material that is slightly above their level but still understandable from context, the brain naturally absorbs the language. That’s why we keep every word inside authentic contexts, using examples and associations to help you understand it and use it flexibly.
Read the FAQ explanation of Comprehensible InputEnglish Brain Route
I push open the gym door and pull the strap of my backpack tighter as the coach points to the lineup. A floor line makes me move in step with the others, and a posted note says the helmet rule is compulsory. The weight of the rule sits on my shoulders; I adjust my stance, hold my breath, and keep moving even when I’d rather slow down. That push, that turn of obligation, becomes a habit I carry into every morning drill.
Real Context
Compulsory means something that you must do because it is required by law or by a rule. It is stronger than optional or recommended, implying an obligation backed by an authority. In everyday English you often see phrases like compulsory education, compulsory attendance, or compulsory military service. The word often contrasts with voluntary or discretionary actions. Some contexts also use obligatory or mandatory, but compulsory is most common when the rule comes from a formal authority. Learners should note that compulsory focuses on external obligation, not a personal choice, and it is typically associated with age-based or situation-based requirements.
Usage Reminders
- - Use compulsory for rules or laws that require a person to do something.
- - Do not use it for personal choices or optional activities.
- - It often pairs with nouns like education, attendance, or service.
- - Note that compulsory is similar to mandatory or obligatory, but emphasizes external authority.
- - In formal writing, consider alternatives in contexts where the rule is not legally enforced.
Common Misconceptions
- Compulsory means 'optional' or 'a suggestion' in all contexts.
- If you must do something, you should always use 'must' instead of 'compulsory'.
- Compulsory is the same as 'required' in every situation.
- Using compulsory implies personal consent is irrelevant.
- Mandatory, obligatory, and compulsory are interchangeable in informal speech.
Thinking Differences
For English learners, compulsory often feels more formal or official than simply saying something is 'required'. Some languages prefer a direct translation that uses a word for 'duty' or 'obligation', which can shift the nuance toward personal responsibility rather than external rules.
Learning Tips
- Practice with legal/regulatory contexts to hear it in action.
- Compare with mandatory and obligatory to feel nuance.
- Use in formal writing when a rule is legally binding.
- Pair with nouns like education, attendance, or service.
- Avoid using it for personal preferences or non-authoritative rules.
- Listen for pronunciation: /kəmˈpʌl. sə. ri/.
5-Step Learning Method - Learn English in English
Step 1: Meaning
What is the definition of the word 'compulsory'?
A.Optional or not required
B.Required or mandatory
C.Voluntary and not enforced
D.Available but not necessary
Step 2: Usage
Which sentence uses the word 'compulsory' correctly?
A.Attendance at the seminar is compulsory for all students.
B.The dress code is compulsory but everyone wears casual clothes.
C.It's not compulsory to finish your homework on time if you don't want to.
D.Compulsory training is just a suggestion for new employees.
Step 3: Similar Words
Which word is most similar to 'compulsory'?
A.Optional
B.Suggested
C.Mandatory
D.Permissive
Step 4: Opposite Words
What is the opposite of 'compulsory'?
A.Optional
B.Mandatory
C.Required
D.Enforced
Step 5: Mastery
Can you think of a real-life context where something is mandatory?
A.Everyone must fill out the form if they want to participate in the event.
B.It's clear that following the routine is a good idea for productivity.
C.You can choose whether or not to join the class based on interest.
D.Many people enjoy cooking even without any prompt to do it.
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