Arrant
Arrant ({not transcribed}) , adjective
[Old English erraunt, errant, errand, equiv. to English errant wandering, which was first applied to vagabonds, as an errant rogue, an errant thief, and hence passed gradually into its present and worse sense. See Errant.]
Notoriously or preeminently 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. [Obsolete]
An arrant honest woman.