Banal

adjective/bəˈnɑːl/character

Definition

So lacking in originality as to be obvious and boring.

Etymology

Borrowed from French banal (“held in common, relating to feudal service, by extension commonplace”), from Old French banel, related to Medieval Latin bannālis (“subject to feudal authority”), from Latin bannus (“jurisdiction”), both ultimately from Proto-Germanic *bannaną (“to order, summon, forbid”). Equivalent to ban +‎ -al. See also ban, abandon.

Synonyms

everyday, prosaic, mundane

In a sentence

The keynote was banal — nothing we hadn't heard before.