Definition of mark something up in English:

mark something up

1(Of a retailer) increase the indicated price of an item: he marks up prized garments by at least 50 per cent
Synonyms
increase, raise, up, put up, hike (up), escalate
informal jack up
2Annotate or correct text for printing, keying, or typesetting: they retyped the articles after the subeditors had marked them up in pencil
More example sentences
  • These files would be mostly text files, but they would be marked up with a tag language (a subset of SGML called Hypertext Markup language, or HTML).
  • In the mid '70s, I got involved on the tail end of a really sexy project in publishing, creating a system that allowed editors to take text and mark it up on screen.
  • I had remembered to bring my copy, but I had already marked it up with all the comments I was going to make during the talk.
Synonyms
annotate, correct, label
See parent entry: mark

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