Impost. Tax, duty, custom, excise, levy, toll, tribute, rate; imposition.
Ant. Revenue, proceeds, exemption, immunity.
Impostor. Deceiver, pretender, cheat, hypocrite, knave, charlatan, mountebank, rogue, Pharisee, trickster, dissembler.
Ant. Guide, enlightener, detector, undeceiver.
Imposture. Cheat, trick, deception, imposition, fraud, ruse, delusion, dodge, artifice, wile, deceit, stratagem, hoax.
Ant. Truth, fact, verity, reality.
Impotence. Disability, incapacity, incompetence, powerlessness, weakness, inefficiency, infirmity, frailty, imbecility, inability, incapability, helplessness, disqualification.
Ant. Capacity, vigor, qualification, ability.
Impoverish. Make poor or indigent, exhaust, deplete, rob, beggar, fleece, denude.
Ant. Enrich, aggrandize, augment, store, enhance, endow.