We found 20 dictionaries that define the word testifier:

General (15 matching dictionaries)

1. testifier: Merriam-Webster
2. testifier: Oxford Learner's Dictionaries
3. testifier: Collins English Dictionary
4. testifier: Vocabulary.com
5. testifier: Wordnik
6. testifier: Wiktionary
7. testifier: Dictionary.com
8. Testifier: Online Plain Text English Dictionary
9. testifier: Webster's Revised Unabridged, 1913 Edition
10. testifier: Rhymezone
11. Testifier: AllWords.com Multi-Lingual Dictionary
12. testifier: Webster's 1828 Dictionary
13. testifier: FreeDictionary.org
14. testifier: Mnemonic Dictionary
15. Testifier: TheFreeDictionary.com

Business (2 matching dictionaries)

16. testifier: Merriam-Webster Legal Dictionary
17. testifier: Legal dictionary

Computing (1 matching dictionary)

18. testifier: Encyclopedia

Miscellaneous (1 matching dictionary)

19. testifier: Idioms

Slang (1 matching dictionary)

20. testifier: Urban Dictionary

(Note: See testify as well.)

Definitions from Wiktionary (testifier) ▸ noun:  One who testifies; a witness. Similar: deponent, witnesser, testificator, testifiee, evidence, teste, testamentor, attestor, witness, testimonializer, more... Opposite: denier, refuter, contradictor Types: eyewitness, informant, whistleblower, source, more... Adjectives: reliable, professional, second, many, feebleminded, next ▸ Words similar to testifier ▸ Usage examples for testifier ▸ Idioms related to testifier ▸ Wikipedia articles (New!) ▸ Popular adjectives describing testifier ▸ Words that often appear near testifier ▸ Rhymes of testifier ▸ Invented words related to testifier