The definition for rehash is "To discuss again." Used in a sentence: "Sandra," said her mother, "I am tired of rehashing this same topic over and over." The definition for illuminate is "to make clear.", the definition for implement is "To carry out or accomplish.", and the definition for negate is "To make invalid."

The definition for dubious is "Questionable." Used in a sentence: Karl found Kevin's claim that he was sick dubious, as he had just seen him playing football. The definition for regale is "to amuse.", the definition for penurious is "Extrememly stingy.", and the definition for archaic is "Characteristic of an earlier time."

The definition for pretense is "False intention or purpose." Used in a sentence: The jewel thief entered the mansion under the pretense of fixing a leaky faucet. The definition for appalling is "inspiring dismay or disgust.", the definition for frugal is "Thrifty, cheap.", and the definition for parity is "Equality."

The definition for promote is "To contribute to the growth or prosperity of." Used in a sentence: The promote peace, the diplomat hosted a talk between the warring nations. The definition for perception is "capacity for seeing or understanding.", the definition for redouble is "To make twice as great.", and the definition for mundane is "Practical, ordinary."

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 stifle is "to repress or discourage.", the definition for inflammatory is "Tending to excite anger.", and the definition for commemorate is "To mark by a ceremony."