Utter; complete (with a negative sense).
"arrant nonsense! defdate|1708Thomas Bennet, A Brief History of the Joint Use of Recompos'd Set Forms of Prayer...to wich is annexed a Discourse of the Gost of Prayer], [http://books.google.ch/books?id=3FwdDT88Yq4C&pg=PA187 p. 187]"
obsolete form of errant
Straying from the proper course or standard, or outside established limits.
Wandering; roving around.
Prone to making errors; misbehaved.
"We ran down the street in pursuit of the errant dog."
Utter, complete (negative); arrant.
"what arrant nonsense!"
erring or straying from the accepted course or standards
"an errant husband coming back from a night on the tiles"
not in the right place; having moved from the correct position or course
"fear of being hit by an errant bullet"
"an errant strand of hair"
(of a polychaete worm) of a predatory kind that moves about actively and is not confined to a tube or burrow.
travelling in search of adventure
"that same lady errant"
Notoriously or preëminently bad; thorough or downright, in a bad sense; shameless; unmitigated; as, an arrant rogue or coward.
Thorough or downright, in a good sense.
Wandering; deviating from an appointed course, or from a direct path; roving.
Notorious; notoriously bad; downright; arrant.
Journeying; itinerant; - formerly applied to judges who went on circuit and to bailiffs at large.
One who wanders about.
without qualification; used informally as (often pejorative) intensifiers;
"an arrant fool"
"a complete coward"
"a consummate fool"
"a double-dyed villain"
"a perfect idiot"
"what a sodding mess"
"stark staring mad"
"a thoroughgoing villain"
straying from the right course or from accepted standards;
uncontrolled motion that is irregular or unpredictable;
"an errant breeze"