arrantest

Adjective

arrant (comparative more arrant or arranter, superlative most arrant or arrantest)

1. (dated) Complete; downright; utter.
   • an arrant knave arrant nonsense

   Synonyms:

   out-and-out, unmitigated, abject, frightful, absolute, prize, clean, categoric, categorical, complete

2. (broadly, dated) Very bad; despicable.
   • [W]ho ſo forward to accuſe, to debaſe, to revile, to crow-treade an other as the arranteſt fellow in a country?1593, Gabriell Haruey [i.e., Gabriel Harvey], Pierces Supererogation: Or A New Prayse of the Old Asse. A Preparative to Certaine Larger Discourses, Intituled Nashes S. Fame, London: […] Iohn Wolfe...

   Synonyms:

   abysmal, atrocious, awful, bad, chronic, coarse, corny, crap, crapalicious, crappy

   Antonyms:

   acceptable, agreeable, all right, amazing, as fine as Dick's hatband, awesome, beatific, bene, blissful, bodacious

See all 3 meanings of arrant