We found 20 dictionaries that define the word across-the-board:

General (16 matching dictionaries)

1. across-the-board: Merriam-Webster
2. across-the-board: American Heritage Dictionary of the English Language
3. across-the-board, across-the-board: Collins English Dictionary
4. across-the-board: Vocabulary.com
5. across-the-board: Wordnik
6. across-the-board: Wiktionary
7. across-the-board: Webster's New World College Dictionary, 4th Ed.
8. across-the-board: Infoplease Dictionary
9. across-the-board: Dictionary.com
10. across-the-board: Rhymezone
11. across-the-board: FreeDictionary.org
12. across-the-board: Mnemonic Dictionary
13. across-the-board: TheFreeDictionary.com
14. across-the-board: Merriam-Webster

Art (1 matching dictionary)

15. Across-the-Board: Lexicon of Linguistics

Business (1 matching dictionary)

16. across-the-board: Webster's New World Finance & Investment Dictionary

Computing (1 matching dictionary)

17. across-the-board: Encyclopedia

Miscellaneous (1 matching dictionary)

18. across-the-board: Idioms

Definitions from Wiktionary ( ) ▸ adjective:  wide or comprehensive in scope or applicability. Similar: panoptic, all-embracing, comprehensive, broad, wide, all-encompassing, all-inclusive, blanket, encompassing, all-round, more... Opposite: selective, targeted, specific, individualized ▸ Words similar to across-the-board ▸ Usage examples for across-the-board ▸ Idioms related to across-the-board ▸ Wikipedia articles (New!) ▸ Popular nouns described by across-the-board ▸ Words that often appear near across-the-board ▸ Rhymes of across-the-board ▸ Invented words related to across-the-board