Essential vs That's mandatory
When to use each in English, with meaning, register, and examples.
Essential
Top 1,000 (very common)B1adjective
That's mandatory
Top 1,000 (very common)
| Essential | That's mandatory | |
|---|---|---|
| Pronunciation | 🇬🇧 //ɪˈsɛnʃəl//🇺🇸 //ɪˈsɛnʃəl// | 🇬🇧 //ˈmæn.də.tər.i//🇺🇸 //ˈmæn.dəˌtɔr.i// |
| Meaning | Very important or necessary. | It's necessary or required. |
| Example | Water is essential for all living things. | Attendance at the training session is mandatory. |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 1,000 (very common) |
| CEFR level | B1 | - |
| Part of speech | adjective | |
| Collocations | essential item, essential skills, essential part | mandatory rules, mandatory requirements, mandatory attendance |
| Antonyms | unnecessary, optional, secondary | optional, voluntary, discretionary |
| Common mistakes | Confused with 'essentially' which means 'basically'., Overused in informal situations where simpler words like 'basic' would suffice., Using it in negative sentences can sound awkward. | Used when the requirement is not serious., Confused with 'optional' meaning it’s not necessary., Saying it in an overly casual way. |
| Usage notes | Use 'essential' to emphasize the importance of something. It's commonly used in both formal and informal contexts. | Use in situations where following a rule is important. Avoid in casual conversations. |
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Frequently asked questions: Essential vs That's mandatory
What's the difference between Essential and That's mandatory?
Essential: Very important or necessary. That's mandatory: It's necessary or required.
Can you show an example of each?
Essential: Water is essential for all living things. That's mandatory: Attendance at the training session is mandatory.
Can I use Essential and That's mandatory interchangeably?
Not always. Essential and That's mandatory 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.