mandatory
C1Formal / Official / Academic
Definition
Meaning
required by law or rule; compulsory.
Not optional; something that must be done, followed, or complied with.
Linguistics
Semantic Notes
Often used in legal, governmental, and corporate contexts to denote a requirement with consequences for non-compliance. It carries a stronger sense of obligation than 'recommended' or 'advisable'.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or usage. Both treat it as a formal adjective.
Connotations
Implies authority and non-negotiability equally in both varieties.
Frequency
Slightly more common in American legal and corporate jargon.
Vocabulary
Collocations
Grammar
Valency Patterns
mandatory for [person/group]mandatory to [verb]it is mandatory that [clause]Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “Mandatory reading”
- “A mandatory provision”
Usage
Context Usage
Business
All new employees must complete mandatory health and safety training.
Academic
Attendance of the research ethics seminar is mandatory for all doctoral students.
Everyday
Wearing a seatbelt is mandatory for drivers and passengers.
Technical
The software update includes mandatory security patches.
Examples
By Part of Speech
verb
British English
- The council mandated the recycling scheme.
- The new act mandates stricter controls.
American English
- The law mandates background checks.
- The policy mandates reporting within 24 hours.
adverb
British English
- Attendees are compulsorily required to sign in.
- The rule applies obligatorily to all members.
American English
- Participants are required to attend by policy.
- Completion is obligatory for certification.
adjective
British English
- Voting is mandatory in some countries.
- The course has a mandatory fieldwork component.
American English
- The state has mandatory seatbelt laws.
- A mandatory meeting has been scheduled for 3 PM.
Examples
By CEFR Level
- Helmets are mandatory for bike riders.
- School uniform is mandatory.
- It is mandatory to show your passport at the border.
- The company introduced mandatory training for all staff.
- The new regulations make it mandatory for manufacturers to disclose all ingredients.
- Despite objections, the board voted to keep the policy mandatory.
- The judge imposed a mandatory minimum sentence, leaving no room for discretion.
- Adherence to the stringent data protection protocol is mandatory for all contractors.
Learning
Memory Aids
Mnemonic
Think: MAN has a DUTY (MAN-DUTY) → it's mandatory.
Conceptual Metaphor
A BURDEN IMPOSED BY AUTHORITY (The law placed a mandatory burden on companies).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid direct translation with 'мандатный' (used in IT). Use 'обязательный' or 'принудительный'.
- Don't confuse with 'mandate' (noun/verb) which is 'мандат' / 'давать полномочия'.
Common Mistakes
- Using 'mandatorily' as an adverb (rare; prefer 'compulsorily' or rephrase).
- Confusing 'mandatory' (required) with 'mandated' (authorised by mandate).
Practice
Quiz
Which of the following is a synonym for 'mandatory' in a legal context?
FAQ
Frequently Asked Questions
Yes, 'mandatory' implies a formal, often legal or authoritative obligation, whereas 'required' can be used more generally.
No, 'mandatory' is primarily an adjective. The noun form is 'mandate'.
They are largely synonymous, but 'mandatory' is more common in American English and often used in legal contexts, while 'compulsory' is frequent in British English regarding education and insurance.
Use the pattern 'mandatory for + noun/pronoun'. Example: 'Safety gear is mandatory for all construction workers.'
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