We found 6 dictionaries that define the word up to the mark:

General (3 matching dictionaries)

1. up to the mark: Merriam-Webster
2. up to the mark: Oxford Learner's Dictionaries
3. Up to the Mark: Dictionary of Phrase and Fable (1898)

Business (1 matching dictionary)

4. up to the mark: Legal dictionary

Miscellaneous (2 matching dictionaries)

5. up to the mark, Up to the Mark: Idioms

Definitions from Wikipedia (Up to the Mark) ▸ noun:  (foaled February 29, 2019) a Champion American Thoroughbred racehorse. ▸ Words similar to up to the mark ▸ Usage examples for up to the mark ▸ Idioms related to up to the mark ▸ Wikipedia articles (New!) ▸ Words that often appear near up to the mark ▸ Rhymes of up to the mark ▸ Invented words related to up to the mark