While I disagree with him on some fundamental issues, I am much more concerned with his lack of character.
Even Hollywood reporting, it seems, is subject to fundamental statistical problems.
The most fundamental responsibility incumbent on each individual is to register and to vote.
mid-15c., "primary, original, pertaining to a foundation," modeled on Late Latin fundamentalis "of the foundation," from Latin fundamentum "foundation" (see fundament). Fundamentals "primary principles or rules" of anything is from 1630s.