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 incumbent is "necessary as a duty or responsibility.", the definition for drab is "Dull, monotonous.", and the definition for opportune is "Suitable or convenient."

The definition for exasperation is "The state of being irritated." Used in a sentence: The longer Jorge waited in line at the ticket counter, the more his exasperation grew. The definition for elusive is "hard to grasp.", the definition for curtail is "To make less.", and the definition for ecstatic is "Overwhelmingly emotional."

The definition for liability is "A person or thing whose presence or behavior is likely to cause embarrassment or put one at a disadvantage." Used in a sentence: Kevin's growing fatigue was a liability as he attempted to climb the steep hill. The definition for clarity is "clearness.", the definition for corroborate is "To support with evidence.", and the definition for turpitude is "Essential baseness, depravity."

The definition for distortion is "The act of twisting out of shape." Used in a sentence: The story about the actress in the gossip column was a distortion of the truth. The definition for extol is "to praise highly.", the definition for diffident is "Lacking self–confidence.", and the definition for benevolent is "Kind, helpful."

The definition for archetypal is "Characteristic of the original model or perfect example." Used in a sentence: Shakespeare's sonnets are considered archetypal love poems The definition for appraise is "to evaluate the worth of.", the definition for incongruous is "Not harmonious, incompatible.", and the definition for catastrophic is "Relating to extreme misfortune."