acumen Antonyms

viewer stupidity stupefaction strangeness straggler stagnation squanderer sponger sponge spender spectator snail sluggard slugabed slug slubberdegullion stupor testifier vapidity vampire vagueness vagrant vagabond vacuity vacillation unwisdom unintelligence truant triviality tramp torpor tomfoolery toady slowness sloven quitter quandong puzzlement puerility psychopathy plodder pig perplexity peculiarity passenger parasite paranoia opaqueness oddity obtuseness