The Collaborative International Dictionary
Informidable
Informidable \In*for"mi*da*ble\, a. [L. informidabilis. See
In- not, and Formidable.]
Not formidable; not to be feared or dreaded. [Obs.] ``Foe not
informidable.''
--Milton.
Wiktionary
informidable
a. (context obsolete English) Not formidable; not to be feared or dreaded.