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 combustion is "act of burning.", the definition for negate is "To make invalid.", and the definition for combative is "Eager to fight."

The definition for pallid is "Lacking color." Used in a sentence: The nurse was worried by the patient's pallid face and shallow breathing. The definition for periodic is "occurring at regular intervals.", the definition for regale is "To amuse.", and the definition for heinous is "Shockingly evil."

The definition for accessible is "Easy to reach or to approach." Used in a sentence: The introduction to the complex novel was, thankfully, written in clear accessible language. The definition for interminable is "never ending, or seemingly endless.", the definition for parity is "Equality.", and the definition for naive is "Lacking worldy wisdom."

The definition for methodical is "Performed in an orderly manner." Used in a sentence: Oscar's methodical approach exasperated his free–spirited friend Ben. The definition for mediate is "to come between parties in order to reconcile.", the definition for salvage is "To save from ruin.", and the definition for embellish is "To decorate."

The definition for refurbish is "To brighten or freshen." Used in a sentence: Leeanne cleaned and mended all weekend to refurbish the shabby apartment. The definition for catastrophic is "relating to extreme misfortune.", the definition for retroactive is "effective as of a prior time or condition.", and the definition for euphoria is "Feeling of great happiness."