We found 14 dictionaries that define the word tanking:

General (8 matching dictionaries)

1. tanking: Merriam-Webster
2. tanking: Collins English Dictionary
3. tanking: Vocabulary.com
4. Tanking, tanking: Wordnik
5. tanking: Wiktionary
6. tanking: Dictionary.com
7. Tanking (disambiguation), Tanking (sports), Tanking: Wikipedia, the Free Encyclopedia
8. tanking: TheFreeDictionary.com

Computing (1 matching dictionary)

9. tanking: Encyclopedia

Medicine (1 matching dictionary)

10. tanking: Medical dictionary

Miscellaneous (1 matching dictionary)

11. tanking: Idioms

Slang (2 matching dictionaries)

12. tanking: Green’s Dictionary of Slang
13. tanking: Urban Dictionary

Tech (1 matching dictionary)

14. Urban Conservation Glossary (No longer online)

(Note: See tank as well.)

Definitions from Wiktionary (tanking) ▸ noun:  A session of being immersed in a tank. ▸ noun:  (sports) An act of a deliberate loss in a game or match with the intent of gaining a perceived future competitive advantage. Similar: tank car, armored combat vehicle, cooler, army tank, Storage tank, isolation tank, flotation tank, dipping tank, tankmaking, flotation therapy, more... Opposite: succeeding, thriving, excelling, prospering Phrases: tanking up, more... ▸ Words similar to tanking ▸ Usage examples for tanking ▸ Idioms related to tanking ▸ Wikipedia articles (New!) ▸ Popular adjectives describing tanking ▸ Words that often appear near tanking ▸ Rhymes of tanking ▸ Invented words related to tanking