Arrant

Ar·rant

Arrant

a.
  1. Notoriously or preëminently bad; thorough or downright, in a bad sense; shameless; unmitigated; as, an arrant rogue or coward.
    I discover an arrant laziness in my soul.
  2. Thorough or downright, in a good sense. [Obs.]
    An arrant honest woman.