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 serenity is "calmness.", the definition for incidental is "Minor.", and the definition for stifle is "To repress or discourage."

The definition for trove is "Valuable collection." Used in a sentence: Walter's trove of vintage baseball cards was worth thousands of dollars. The definition for opportune is "suitable or convenient.", the definition for periodic is "Occurring at regular intervals.", and the definition for retroactive is "effective as of a prior time or condition."

The definition for placebo is "An inactive substance used in medical testing." Used in a sentence: Tom, who had taken the placebo, found that his allergy symptoms did not go away. The definition for clarity is "clearness.", the definition for ploy is "A contrived plan.", and the definition for anthology is "A collection of selected literary pieces."

The definition for conduit is "Means for transmitting or distributing." Used in a sentence: Jason, a notorious gossip, was a conduit for information about his friends. The definition for combustion is "act of burning.", the definition for methodical is "Performed in an orderly manner.", and the definition for exception is "A case to which the rule does not apply."

The definition for incongruous is "Not harmonious, incompatible." Used in a sentence: Sadie's cowboy hat was incongruous with her black cocktail dress. The definition for preclude is "to rule out in advance.", the definition for fraud is "Trick.", and the definition for inauspicious is "Not favorable."