The definition for retroactive is "effective as of a prior time or condition." Used in a sentence: The retroactive law made even past infractions punishable. The definition for rancorous is "marked by deep ill–will.", the definition for comparable is "Similar, equivalent.", and the definition for polarize is "To break up into opposing groups."

The definition for precept is "A general rule of action." Used in a sentence: All the students know Mrs. Brown's strict precept; no talking in class. The definition for buffoonery is "foolish behavior.", the definition for drub is "To defeat decisively.", and the definition for egotist is "Self–important person."

The definition for incisive is "Impressively direct and decisive." Used in a sentence: Samir's incisive leadership made him the natural choice for president of the company. The definition for onset is "beginning.", the definition for flourish is "To make bold, sweeping gestures.", and the definition for flaunt is "To display showily."

The definition for eloquent is "Fluent, expressive." Used in a sentence: Kim, an eloquent speaker, was the best choice to make the presentation for the group. The definition for trove is "valuable collection.", the definition for flourish is "To make bold, sweeping gestures.", and the definition for redouble is "To make twice as great."

The definition for commemorate is "To mark by a ceremony." Used in a sentence: Each year, the Franklins commemorate their anniversary by visiting the site of their first date. The definition for apathetic is "showing little or no emotion.", the definition for elate is "To fill with joy.", and the definition for exalt is "To elevate by praise."