The definition for redouble is "To make twice as great." Used in a sentence: As the sun began to set, Brittany redoubled her effort to find the necklace she had dropped in the field. The definition for placebo is "an inactive substance used in medical testing.", the definition for pretense is "False intention or purpose.", and the definition for rail is "To scold in harsh language."

The definition for parity is "Equality." Used in a sentence: Hilda, to avoid squabbles, aimed for parity in the slices of birthday cake. The definition for belated is "past the normal or proper time.", the definition for precept is "A general rule of action.", and the definition for ploy is "A contrived plan."

The definition for corroborate is "To support with evidence." Used in a sentence: "Unless you can corroborate your story, it will not be admissible in court," the attorney told his client. The definition for ecstatic is "overwhelmingly emotional.", the definition for frugal is "Thrifty, cheap.", and the definition for ethical is "Conforming to accepted standards."

The definition for appalling is "Inspiring dismay or disgust." Used in a sentence: Hector found his roommate's habit of leaving his dirty socks on the floor appalling. The definition for clairvoyance is "ability to see things beyond ordinary perception.", the definition for periodic is "Occurring at regular intervals.", and the definition for pretentious is "Making unjustified claims."

The definition for flaw is "An imperfection." Used in a sentence: The otherwise perfect diamond had a tiny flaw that reduced its value. The definition for redouble is "to make twice as great.", the definition for euphoria is "Feeling of great happiness.", and the definition for fragile is "Delicate."