The definition for naive is "Lacking worldy wisdom." Used in a sentence: The naive Simon assumed that everyone was as simple and kind as he was. The definition for incumbent is "necessary as a duty or responsibility.", the definition for appalling is "Inspiring dismay or disgust.", and the definition for euphoria is "Feeling of great happiness."

The definition for aerate is "To supply with air." Used in a sentence: Every spring, Soloman used his tiller to aerate the compact soil. The definition for recrimination is "a retaliatory accusation.", the definition for pomp is "Showy display.", and the definition for opportune is "Suitable or convenient."

The definition for procrastinate is "To put off intentionally." Used in a sentence: Yvonne's father urged, "Don't procrastinate. Clean your room right away." The definition for fidelity is "state of being faithful.", the definition for appraise is "To evaluate the worth of.", and the definition for mundane is "Practical, ordinary."

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 compulsion is "an irresistible impulse.", the definition for stifle is "To repress or discourage.", and the definition for solace is "Source of consolation."

The definition for avian is "Relating to birds." Used in a sentence: The old man affectionately referred to pigeons as his "avian friends." The definition for salvage is "to save from ruin.", the definition for awe is "Emotion combining dread and wonder.", and the definition for adversary is "One who opposes or resists."