opinional

English

Etymology

From opinion +‎ -al.

Adjective

opinional (not comparable)

1. (rare) Based on or constituting an opinion.
   • 2019, Theodor W. Adorno, Else Frenkel-Brunswik, Daniel J. Levinson, The Authoritarian Personality, page xlv:

     The problem of the “high” personality would not be solved if the investigation stayed on the opinional level, no matter how much more tangible and measurable such results would seem to be.