We found 5 dictionaries that define the word preinform:

General (5 matching dictionaries)

1. preinform: Merriam-Webster
2. preinform: Collins English Dictionary
3. preinform: Infoplease Dictionary
4. preinform: Dictionary.com
5. preinform: Wiktionary

Definitions from Wiktionary (preinform) ▸ verb:  (transitive) To inform in advance. ▸ Words similar to preinform ▸ Usage examples for preinform ▸ Idioms related to preinform ▸ Wikipedia articles (New!) ▸ Words that often appear near preinform ▸ Rhymes of preinform ▸ Invented words related to preinform