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 placebo is "an inactive substance used in medical testing.", the definition for insolence is "Boldness or rudeness.", and the definition for induce is "To influence or cause."

The definition for clarity is "Clearness." Used in a sentence: The refreshing water in the mountain stream was remarkable for its clarity. The definition for adversary is "one who opposes or resists.", the definition for apathetic is "Showing little or no emotion.", and the definition for repentant is "Feeling regret."

The definition for ethical is "Conforming to accepted standards." Used in a sentence: Mary did the ethical thing and turned in the diamond necklace she found. The definition for condone is "to treat as acceptable.", the definition for turmoil is "Extreme confusion, agitation.", and the definition for immoderate is "Beyond usual or proper limits."

The definition for fragile is "Delicate." Used in a sentence: Jade placed the fragile vase out of reach of her rambunctious boys. The definition for obnoxious is "highly offensive.", the definition for epitaph is "Brief statement honoring a dead person.", and the definition for fidelity is "State of being faithful."

The definition for comprehensible is "Understandable." Used in a sentence: Shannon spoke slowly so her directions would be comprehensible to her foreign visitor. The definition for serenity is "calmness.", the definition for curtail is "To make less.", and the definition for solace is "Source of consolation."