The definition for corroborate is "To support with evidence." Used in a sentence: "Unless you can corroborate your story, it will not be admissible in court," the attorney told his client. The definition for retroactive is "effective as of a prior time or condition.", the definition for apathetic is "Showing little or no emotion.", and the definition for trove is "Valuable collection."

The definition for archaic is "Characteristic of an earlier time." Used in a sentence: In the world of high fashion, two–year–old shoes are considered positively archaic. The definition for finite is "having definite limits.", the definition for redouble is "To make twice as great.", and the definition for precept is "A general rule of action."

The definition for egotist is "Self–important person." Used in a sentence: Darren dreaded carpooling with the egotist Shelly, who talked about herself nonstop. The definition for extol is "to praise highly.", the definition for ploy is "A contrived plan.", and the definition for ecstatic is "Overwhelmingly emotional."

The definition for fickle is "Lacking constancy, changeable." Used in a sentence: The fickle Senji had a new best friend every month. The definition for revoke is "to cancel by taking back.", the definition for perception is "Capacity for seeing or understanding.", and the definition for straddle is "To favor opposing sides."

The definition for antidote is "Something that relieves or counteracts." Used in a sentence: Veronique found that listening to French music was an antidote for her homesickness. The definition for pantomime is "telling a story through gestures.", the definition for celebrated is "Widely known, respected.", and the definition for conduit is "Means for transmitting or distributing."