benefactor {Ans: a person who gives money or support to another person}distraught {Ans: deeply upset, agitated}preposterous {Ans: absurd, laughable}imperceptible {Ans: unnoticeable, invisible}ironclad {Ans: impossible to penetrate; without any weak spot}cloche {Ans: a bell-shaped woman's hat}squandering {Ans: waste, throw-away, misuse}melancholy {Ans: sadness, sorrow, unhappiness}timbre {Ans: tone or sound}prowess {Ans: skill, expertise}