What Does "Buff Up" Mean?
"Buff up" is an English idiom. It means "to improve, often referring to knowledge or physical fitness."Examples in Sentences
Here are three examples of the idiom "buff up" used in a sentence:- I need to buff up on my history before the quiz.
- She's been going to the gym to buff up for the summer.
- He decided to buff up his resume with some additional skills.
What Is an Idiom?
An idiom is a commonly used expression whose meaning does not relate to the literal meaning of its words. In other words, if you were to translate "Buff Up" word for word, there is no guarantee the translation would help you to understand the meaning.An idiom often includes a cultural or historical context that makes it difficult for non-native English speakers to understand. A phrase is classified as an idiom when a direct translation of the words does not reveal the meaning. Most idioms rely on shared knowledge or experiences known only to a specific community.
A Quick Test
You now know what "buff up" means, but are you good at English idioms? Let's see!


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