Cool MateEssential vs That's the key for him
When to use each in English, with meaning, register, and examples.
Essential
Top 1,000 (very common)B1adjective
That's the key for him
Top 5,000 (fairly common)
Most common: Essential
| Essential | That's the key for him | |
|---|---|---|
| Pronunciation | 🇬🇧 //ɪˈsɛnʃəl//🇺🇸 //ɪˈsɛnʃəl// | 🇬🇧 //ðæts ðə kiː fɔː hɪm//🇺🇸 //ðæts ðə kiː fɔr hɪm// |
| Meaning | Very important or necessary. | It's important for him. |
| Example | Water is essential for all living things. | That's the key for him to succeed in his career. |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 5,000 (fairly common) |
| CEFR level | B1 | - |
| Part of speech | adjective | |
| Collocations | essential item, essential skills, essential part | key to success, key factor, key element, key issue, key player |
| Antonyms | unnecessary, optional, secondary | - |
| 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. | Confused with 'that's key for him' without 'the', Using 'the key to him' inaccurately, 'Key' misused as a physical object instead of meaning important |
| Usage notes | Use 'essential' to emphasize the importance of something. It's commonly used in both formal and informal contexts. | Commonly used to indicate something vital to a person's success or understanding. Usually informal in speech, but can be used in writing. |
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Frequently asked questions: Essential vs That's the key for him
What's the difference between Essential and That's the key for him?
Essential: Very important or necessary. That's the key for him: It's important for him.
Which is more common: Essential and That's the key for him?
Essential is the most common in everyday English.
Can you show an example of each?
Essential: Water is essential for all living things. That's the key for him: That's the key for him to succeed in his career.
Can I use Essential and That's the key for him interchangeably?
Not always. Essential and That's the key for him 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.