arrant

arrant is an   Adverb

Definition:

[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. Fuller.

[2] Thorough or downright, in a good sense. [Obs.] An arrant honest woman. Burton.

Synonyms: