round off
Học thuậtThân thiện
Definition
- Verb (Transitive):
- To alter a number, especially a decimal or fraction, to the nearest whole number, ten, hundred, etc., for simplicity. This often involves following standard rules of rounding.
- To finish or complete something in a satisfying, appropriate, or impressive way.
- To make an object or shape circular or smooth by removing sharp corners or edges.
Usage and Examples
- Verb (Rounding a number):
- Please round off 3.78 to one decimal place. (The result is 3.8.)
- The total came to $19.95, which we can round off to $20.
- Verb (Completing an event/action):
- She rounded off her presentation with a powerful quote.
- We rounded off the perfect day with a walk along the beach.
- Verb (Making something round/smooth):
- Use sandpaper to round off the sharp corners of the wood.
- The jeweler rounded off the edges of the gemstone.
Advanced Usage
- "to round off to the nearest [place value]": A specific instruction for numerical rounding.
- Round off your answer to the nearest thousand.
- Used figuratively to describe perfecting or finalizing a skill or manner.
- A year abroad helped to round off his education.
Variants and Related Words
- Round (verb): To make or become round; to go around. ()
- Rounded (adjective): Having a smooth, curved shape; well-developed in all aspects. ()
- Rounding (noun): The process of approximating a number. ()
Synonyms
- For numerical sense: Approximate, estimate.
- For completing sense: Conclude, finish, cap off, culminate.
- For shaping sense: Smooth, shape, polish.
Related Phrasal Verbs/Idioms
- Round out: Very similar to the "completing" sense, often used for making something more whole or complete.
- He took a cooking class to round out his skills.
- Round down/up: Specific types of numerical rounding.
- Round 4.2 down to 4. Round 4.7 up to 5.
Verb
- express as a round number
- round off the amount
- bring to a highly developed, finished, or refined state
- polish your social manners
- make round
- round the edges