We found 34 dictionaries that define the word extant:

General (26 matching dictionaries)

1. extant: Merriam-Webster
2. extant: Oxford Learner's Dictionaries
3. extant: American Heritage Dictionary of the English Language
4. extant: Collins English Dictionary
5. extant: Vocabulary.com
6. Extant, extant: Wordnik
7. extant: Cambridge Advanced Learner's Dictionary
8. extant: Wiktionary
9. extant: Webster's New World College Dictionary, 4th Ed.
10. extant: The Wordsmyth English Dictionary-Thesaurus
11. extant: Infoplease Dictionary
12. Extant, extant: Dictionary.com
13. extant: Online Etymology Dictionary
14. extant: Cambridge Essential American English Dictionary
15. Extant (TV series), Extant (comics), Extant (disambiguation), Extant (season Extant+++(season+++1)), Extant (season 2), Extant: Wikipedia, the Free Encyclopedia
16. Extant: Online Plain Text English Dictionary
17. extant: Webster's Revised Unabridged, 1913 Edition
18. extant: Rhymezone
19. Extant: AllWords.com Multi-Lingual Dictionary
20. extant: Webster's 1828 Dictionary
21. extant: FreeDictionary.org
22. extant: Mnemonic Dictionary
23. extant: TheFreeDictionary.com
24. extant: Longman Dictionary of Contemporary English

Art (1 matching dictionary)

25. extant: Global Glossary

Business (1 matching dictionary)

26. Extant (disambiguation), extant: Legal dictionary

Miscellaneous (2 matching dictionaries)

27. Sound-Alike Words (No longer online)
28. EXTANT, EXTANT, EXTANT: Terminology and Descriptions of Geneaological Words

Science (3 matching dictionaries)

29. Dinosaurs (No longer online)
30. Botanical Terms (No longer online)
31. Fishkeeping glossary (No longer online)

Slang (1 matching dictionary)

32. extant: Urban Dictionary

Definitions from Wiktionary ( ) ▸ adjective:  Still in existence; not having disappeared. ▸ adjective:  Still alive; not extinct. ▸ adjective:  (obsolete) Standing out, or above the rest. Similar: living, surviving, unextinct, nonextant, inextant, unvanished, relict, nonextinct, still with us, nonexpired, more... Opposite: extinct, extinctive Types: extinct, fossil, fossilized, fossiliferous, more... Phrases: only marsupial extant in the us, more... Adjectives: earliest, only, oldest, best, present, first, finest, few, complete, ancient, diary ▸ Word origin ▸ Words similar to extant ▸ Usage examples for extant ▸ Idioms related to extant ▸ Wikipedia articles (New!) ▸ Popular nouns described by extant ▸ Words that often appear near extant ▸ Rhymes of extant ▸ Invented words related to extant