We found 13 dictionaries that define the word security clearance:

General (8 matching dictionaries)

1. security clearance: Longman Dictionary of Contemporary English
2. security clearance: Merriam-Webster
3. security clearance: Oxford Learner's Dictionaries
4. security clearance: Collins English Dictionary
5. security clearance: Cambridge Advanced Learner's Dictionary
6. Security clearance: Wikipedia, the Free Encyclopedia
7. security clearance: TheFreeDictionary.com
8. security clearance: Wiktionary

Business (2 matching dictionaries)

9. Security clearance: Legal dictionary
10. Security clearance: Financial dictionary

Computing (1 matching dictionary)

11. security clearance: Encyclopedia

Medicine (1 matching dictionary)

12. Security clearance: Medical dictionary

Tech (1 matching dictionary)

13. DOD Dictionary of Military Terms (No longer online)

Definitions from Wiktionary (security clearance) ▸ noun:  A status granted to an individual allowing them access to classified information or to a restricted area. Phrases: security clearance level, more... ▸ Words similar to security clearance ▸ Usage examples for security clearance ▸ Idioms related to security clearance ▸ Wikipedia articles (New!) ▸ Words that often appear near security clearance ▸ Rhymes of security clearance ▸ Invented words related to security clearance