We found 9 dictionaries that define the word unpinning:

General (8 matching dictionaries)

1. unpinning: Merriam-Webster
2. unpinning: Oxford Learner's Dictionaries
3. unpinning: Collins English Dictionary
4. unpinning: Vocabulary.com
5. unpinning: Wordnik
6. unpinning: Wiktionary
7. unpinning: Dictionary.com
8. unpinning: TheFreeDictionary.com

Business (1 matching dictionary)

9. unpinning: Legal dictionary

(Note: See unpin as well.)

Definitions from Wiktionary (unpinning) ▸ noun:  The act of something being unpinned (in any sense); removal of a pin. Opposite: pinning, securing, fastening ▸ Words similar to unpinning ▸ Usage examples for unpinning ▸ Idioms related to unpinning ▸ Wikipedia articles (New!) ▸ Popular adjectives describing unpinning ▸ Words that often appear near unpinning ▸ Rhymes of unpinning ▸ Invented words related to unpinning