Administer vs Inject
When to use each in English, with meaning, register, and examples.
Administer
FormalTop 3,000 (common)C1verb
Inject
Top 2,000 (common)C1verb
Most formal: AdministerMost common: Inject
| Administer | Inject | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/ədˈmɪnɪstə(r)/","/ədˈmɪnɪstəz/","/ədˈmɪnɪstəd/","/ədˈmɪnɪstərɪŋ/"]/🇺🇸 /["/ədˈmɪnɪstər/","/ədˈmɪnɪstərz/","/ədˈmɪnɪstərd/","/ədˈmɪnɪstərɪŋ/"]/ | 🇬🇧 /["/ɪnˈdʒekt/","/ɪnˈdʒekts/","/ɪnˈdʒektɪd/","/ɪnˈdʒektɪŋ/"]/🇺🇸 /["/ɪnˈdʒekt/","/ɪnˈdʒekts/","/ɪnˈdʒektɪd/","/ɪnˈdʒektɪŋ/"]/ |
| Meaning | To give or manage something, usually help or medicine. | To put a liquid into something using a tool. |
| Example | The nurse will administer the vaccine to all eligible patients. | The nurse will inject the vaccine into your arm. |
| Register | Formal | Neutral |
| How common | Top 3,000 (common) | Top 2,000 (common) |
| CEFR level | C1 | C1 |
| Part of speech | verb | verb |
| Collocations | effectively, efficiently, centrally, be difficult to, be easy to, be simple to | inject medicine, inject a solution, inject confidence, inject energy |
| Antonyms | withhold, deny | withdraw, extract |
| Common mistakes | Confused with 'administered' in past tense but forgets the context., Using 'administer' without specifying what is being given., Mixing it up with 'manage', which has a broader meaning. | Using 'injection' as a verb instead of 'inject', Confusing with 'intake' when referring to liquids, Using 'inject' incorrectly with non-liquid substances |
| Usage notes | Used in formal contexts, often when discussing healthcare or management. Not appropriate in casual conversations. | Use 'inject' in medical contexts or technology. Avoid in casual conversations unless discussing health or science. |
Frequently asked questions: Administer vs Inject
What's the difference between Administer and Inject?
Administer: To give or manage something, usually help or medicine. Inject: To put a liquid into something using a tool.
Which is more formal: Administer and Inject?
Administer is the most formal of these.
Which is more common: Administer and Inject?
Inject is the most common in everyday English.
Are Administer and Inject the same CEFR level?
Administer: C1, Inject: C1 on the CEFR scale.
Can I use Administer and Inject interchangeably?
Not always. Administer and Inject 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.