Trumpery : attractive articles of little value or use.
Defeat : win a victory over (someone) in a battle or other contest; overcome or beat.
Wastage : the action or process of losing or destroying something by using it carelessly or extravagantly.
Treasure : a quantity of precious metals, gems, or other valuable objects.
Vague : of uncertain, indefinite, or unclear character or meaning.
Antonym of Trumpery is Treasure