Arrant

Definition:

• (a.) Notoriously or preeminently bad; thorough or downright, in a bad sense; shameless; unmitigated; as, an arrant rogue or coward.
• (a.) Thorough or downright, in a good sense.

Compare arrant with other words:

arrant vs. warrant

arrant vs. arrantly

arrant vs. complete

arrant vs. errant