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 unscrupulous is "lacking principles.", the definition for manifest is "Obvious.", and the definition for turpitude is "Essential baseness, depravity."

The definition for duplicity is "Deceptive thought, speech, or action." Used in a sentence: The life of an undercover detective is filed with necessary duplicity. The definition for retroactive is "effective as of a prior time or condition.", the definition for implement is "To carry out or accomplish.", and the definition for drub is "To defeat decisively."

The definition for fidelity is "State of being faithful." Used in a sentence: Unlike her fickle friend Benji, May Belle was known for her fidelity. The definition for flagrant is "noticeably offensive.", the definition for combustion is "Act of burning.", and the definition for dubious is "Questionable."

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 refurbish is "to brighten or freshen.", the definition for placebo is "An inactive substance used in medical testing.", and the definition for commemorate is "To mark by a ceremony."

The definition for curtail is "To make less." Used in a sentence: Doreen decided to curtail her spending after she bounced a check. The definition for naive is "lacking worldy wisdom.", the definition for corrosive is "Bitingly sarcastic.", and the definition for eloquent is "Fluent, expressive."