To increase the price of something, or to add written corrections and notes to a document.
Make something cost more, or write notes on a piece of paper or document.
3 meanings, ordered from most common to least. Color-coded by CEFR level.
To increase the selling price of a product above what was paid for it.
"The shop bought the sneakers wholesale and marked them up by 60% before selling."
Retailers routinely mark up clothing by 100 percent or more.
— Forbes, general business reporting
To add corrections, comments, or editing instructions to a document or piece of writing.
"The editor marked up the manuscript with red pen before sending it back to the author."
To write or add formatting code to a digital document (technical/computing sense).
"The developer marked up the page using HTML tags."
To make a mark going upward — loosely suggesting raising something or adding marks above/on a text.
Make something cost more, or write notes on a piece of paper or document.
In retail and business contexts, 'mark up' refers to adding profit margin to a cost price. In academic and editorial contexts, it means annotating a text with corrections or instructions. 'Markup' (one word or hyphenated) is the noun form.
Natural word combinations native speakers use most often.
The five tense forms you'll use most often.
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