arrant Definition

arrant
adj

1. Out-and-out; notorious.

Example: an arrant liar
Thesaurus: notorious, outright, out-and-out, atrocious, brazen, blatant, flagrant, barefaced, downright, utter, extreme, unmitigated, infamous.

Etymology: 14c: a variant of errant, meaning ‘wandering' which, through common collocations such as arrant thief and arrant coward, came to mean ‘notorious'.