hisses (noun) hiss: buzzing sound; jeer
Sinonime: blank, blanket, categorical,
consummate, downright, dyed-in-the-wool,
flawless,
impeccable, out-and-out, outright,
perfect,
positive,
sheer,
thorough, thoroughgoing, total, unblemished, unconditional,
unmitigated, unqualified,
whole