The definition for impenitent is "Lacking remorse." Used in a sentence: The impenitent criminal received a harsh penalty, but his remorseful accomplice was released. The definition for serenity is "calmness.", the definition for euphoria is "Feeling of great happiness.", and the definition for perception is "Capacity for seeing or understanding."

The definition for illuminate is "To make clear." Used in a sentence: Her excellent lecture illuminated the complicated subject of nuclear physics. The definition for insinuate is "to suggest indirectly.", the definition for drab is "Dull, monotonous.", and the definition for unscrupulous is "Lacking principles."

The definition for advantageous is "Giving an advantage." Used in a sentence: The house's location in the best school district was advantageous to the seller. The definition for corrective is "intended to correct.", the definition for celebrated is "Widely known, respected.", and the definition for dubious is "Questionable."

The definition for rehash is "To discuss again." Used in a sentence: "Sandra," said her mother, "I am tired of rehashing this same topic over and over." The definition for inviolable is "secure from assault of trespass.", the definition for rhapsody is "State of great happiness.", and the definition for immoderate is "Beyond usual or proper limits."

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 redouble is "to make twice as great.", the definition for servile is "Fearfully submissive.", and the definition for egotist is "Self–important person."