We found 26 dictionaries that define the word directional:

General (20 matching dictionaries)

1. directional: Merriam-Webster
2. directional: Oxford Learner's Dictionaries
3. directional: American Heritage Dictionary of the English Language
4. directional: Collins English Dictionary
5. directional: Vocabulary.com
6. Directional, directional: Wordnik
7. directional: Cambridge Advanced Learner's Dictionary
8. directional: Wiktionary
9. directional: Webster's New World College Dictionary, 4th Ed.
10. directional: The Wordsmyth English Dictionary-Thesaurus
11. directional: Infoplease Dictionary
12. directional: Dictionary.com
13. Directional: Wikipedia, the Free Encyclopedia
14. directional: Rhymezone
15. directional: FreeDictionary.org
16. directional: Mnemonic Dictionary
17. directional: TheFreeDictionary.com
18. directional: Longman Dictionary of Contemporary English

Art (1 matching dictionary)

19. ODLIS: Online Dictionary of Library and Information Science (No longer online)

Business (2 matching dictionaries)

20. directional: Legal dictionary
21. Directional: Radio Programming and Production

Computing (1 matching dictionary)

22. directional: Encyclopedia

Medicine (1 matching dictionary)

23. directional: Medical dictionary

Slang (1 matching dictionary)

24. Directional: Urban Dictionary

(Note: See directionality as well.)

Definitions from Wiktionary ( ) ▸ adjective:  Indicating direction. ▸ adjective:  Of or relating to guidance or help. ▸ noun:  Something that indicates direction, such as a vehicle's turn signal. Similar: directive, guiding, leading, directing, andative, sideways, headed, sidelong, locative, longitudinal, more... Opposite: non-directional, omnidirectional Types: up, down, left, right, forward, backward, in, out, over, more... Phrases: directional coupler, Directional selection, Directional antenna, directional stability, directional solidification, more... Adjectives: more, uni, highly, non, one, multi, less, two, omni, inherently, lateral Colors:     red,     green,     blue,     yellow,     orange, more... ▸ Words similar to directional ▸ Usage examples for directional ▸ Idioms related to directional ▸ Wikipedia articles (New!) ▸ Popular adjectives describing directional ▸ Popular nouns described by directional ▸ Words that often appear near directional ▸ Rhymes of directional ▸ Invented words related to directional