Here is the requested information on the word "unpen":
1. Parts of Speech: verb
2. Definitions:
- to release from confinement or captivity
- to remove from a pen or enclosure
3. Pronunciations:
- US: /ʌnˈpɛn/
- UK: /ʌnˈpɛn/
4. Origin and Usage:
- The word "unpen" is a combination of the prefix "un-" which means "not" or "reverse" and the verb "pen" which means "to confine or enclose in a small area".
- The word has been in use since the 16th century, and is still used today in both formal and informal contexts.
5. Synonyms: release, free, liberate, discharge, let go
6. Related Words:
- panel
- plane
- penal
- pence
- pulse
7. Example Sentences:
- The animal rights activists worked tirelessly to unpen the dolphins from their small enclosure.
- The farmer unpenned the sheep from their pen and let them out to graze.
- The prisoner was finally unpenned after serving 10 years in jail.