Fat vs Grease
When to use each in English, with meaning, register, and examples.
Fat
Top 2,000 (common)A1adjective
Grease
Top 2,000 (common)
| Fat | Grease | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/fæt/"]/🇺🇸 /["/fæt/"]/ | 🇬🇧 //ɡriːs//🇺🇸 //ɡriːs// |
| Meaning | Having a lot of body weight; not thin. | A thick, oily substance used for lubrication. |
| Example | The fat cat slept on the windowsill. | The mechanic applied grease to the engine to ensure smooth operation. |
| Register | Neutral | Neutral |
| How common | Top 2,000 (common) | Top 2,000 (common) |
| CEFR level | A1 | - |
| Part of speech | adjective | |
| Collocations | be, feel, look, enormously, hugely, immensely, big fat, be, feel, look, enormously, hugely, immensely, big fat | apply grease, grease maintenance, cooking grease, grease the wheels, grease trap |
| Antonyms | thin, slim, skinny | dry |
| Common mistakes | Using 'fat' to describe a person in a derogatory manner., Confusing 'fat' with 'overweight'; 'fat' is often viewed as more judgmental., Using 'fats' instead of 'fat' when describing body shape. | Confused with 'greased' as a past form., Using 'grease' as a verb incorrectly, e.g., 'I grease for my bike.' |
| Usage notes | Used to describe someone who has excess body weight. Avoid using this word to describe someone in a negative or derogatory way, as it can be considered offensive. | Used in mechanical contexts or cooking. Not commonly used in formal writing. Can describe a substance or a process. |
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Frequently asked questions: Fat vs Grease
What's the difference between Fat and Grease?
Fat: Having a lot of body weight; not thin. Grease: A thick, oily substance used for lubrication.
Can you show an example of each?
Fat: The fat cat slept on the windowsill. Grease: The mechanic applied grease to the engine to ensure smooth operation.
Can I use Fat and Grease interchangeably?
Not always. Fat and Grease 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.