We found 29 dictionaries that define the word mark up:

General (17 matching dictionaries)

1. mark up: Longman Dictionary of Contemporary English
2. mark up: Merriam-Webster
3. mark-up, mark-up: Collins English Dictionary
4. mark up: Vocabulary.com
5. Mark-up, mark-up: Wordnik
6. mark-up: Cambridge Advanced Learner's Dictionary
7. mark-up, mark up: Wiktionary
8. mark up: Dictionary.com
9. Mark-up: Wikipedia, the Free Encyclopedia
10. mark up: Rhymezone
11. mark-up: AllWords.com Multi-Lingual Dictionary
12. mark up: Phrasal Verb Page
13. mark up: FreeDictionary.org
14. mark up: Mnemonic Dictionary
15. mark-up, mark up: TheFreeDictionary.com

Art (2 matching dictionaries)

16. English-Chinese Dictionary of Graphic Communications (Big 5) (No longer online)
17. ODLIS: Online Dictionary of Library and Information Science (No longer online)

Business (4 matching dictionaries)

18. C-SPAN Congressional Glossary (No longer online)
19. Mark-up: Financial dictionary
20. Accounting, Business Studies and Economics Dictionary (No longer online)
21. mark up: Legal dictionary

Computing (1 matching dictionary)

22. mark-up, mark up: Encyclopedia

Medicine (1 matching dictionary)

23. mark up: Medical dictionary

Miscellaneous (1 matching dictionary)

24. mark up: Idioms

Slang (1 matching dictionary)

25. MARK-UP, mark up: Urban Dictionary

Tech (2 matching dictionaries)

26. mark-up: NATURAL RESOURCES DEFENSE COUNCIL
27. AUTOMOTIVE TERMS (No longer online)

(Note: See mark_ups as well.)

Definitions from Wiktionary (mark up) ▸ verb:  To increase the price of something between its wholesale and retail phase. ▸ verb:  To add coding to text so that it will display properly on a computer. Similar: sell up, keystone, mark to market, wholesale, regrate, mark to model, overshift, average up, reprice, upsell, more... Opposite: markdown, discount, reduction, decrease Phrases: hypertext mark up language, to mark up, more... Adjectives: turnover, resale, short, deal, trade, wholesale, retail, rangebound, gear, cum dividend, stock ▸ Words similar to mark up ▸ Usage examples for mark up ▸ Idioms related to mark up ▸ Wikipedia articles (New!) ▸ Words that often appear near mark up ▸ Rhymes of mark up ▸ Invented words related to mark up