We found one dictionary that defines the word preinvestigatory:

General (1 matching dictionary)

1. preinvestigatory: Wiktionary

Definitions from Wiktionary (preinvestigatory) ▸ adjective:  Prior to investigation. ▸ Words similar to preinvestigatory ▸ Usage examples for preinvestigatory ▸ Idioms related to preinvestigatory ▸ Wikipedia articles (New!) ▸ Popular nouns described by preinvestigatory ▸ Words that often appear near preinvestigatory ▸ Rhymes of preinvestigatory ▸ Invented words related to preinvestigatory