SpellRight › Spelling
Rareinvestigational
The correct spelling is investigational.
How to pronounce investigational
adjective
Say it like: Inv-est-iga-sho-nal
The correct spelling is investigational. Of, or relating to investigating, or to an investigation. For example: "An expanded access protocol allows patients to benefit from an investigational drug prior to FDA approval."
Usage Examples
“An expanded access protocol allows patients to benefit from an investigational drug prior to FDA approval.”
Definition
adjective
- 1.Of, or relating to investigating, or to an investigation.
- 2.Of, or relating to an unapproved drug or chemical entity being studied.
Similar words
Words related in meaning — check their spelling too.