Ignorable; of little significance or value.
Commonplace, ordinary.
Pertaining to the trivium.
Relating to or designating the name of a species; specific as opposed to generic.
Self-evident.
Concerned with or involving trivia.
Of, relating to, or being the simplest possible case.
Indistinguishable in case of truth or falsity.
Unhelpful, not useful; pointless (of an action).
Unable to do well at a particular task or thing. Useless is mildly insulting.
Without use or possibility to be used.
Good-for-nothing; not dependable.