The definition for preclude is "To rule out in advance." Used in a sentence: "Having cake now will preclude dessert later," said Amber's mother. The definition for placebo is "an inactive substance used in medical testing.", the definition for indecorous is "In bad taste.", and the definition for camaraderie is "Spirit of friendship."

The definition for accentuate is "To emphasize." Used in a sentence: Carla used red ribbons to accentuate the coppery tones in her hair. The definition for buffer is "protective barrier.", the definition for moderate is "Tending toward the average.", and the definition for gruff is "Rough or stern in manner or speech."

The definition for opportune is "Suitable or convenient." Used in a sentence: Quan stepped onto the platform at the most opportune time, just as the train pulled in. The definition for intricate is "having complex and interrelated parts.", the definition for exalt is "To elevate by praise.", and the definition for comparable is "Similar, equivalent."

The definition for surplus is "Excess." Used in a sentence: Trevor decided to freeze the surplus chili for next week's tailgate party. The definition for brandish is "to shake or wave menacingly.", the definition for iridescent is "Having a lustrous or attractivve quality.", and the definition for accentuate is "To emphasize."

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 epitaph is "brief statement honoring a dead person.", the definition for inviolable is "Secure from assault of trespass.", and the definition for catastrophic is "Relating to extreme misfortune."