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 discern is "to recognize as separate as distinct.", the definition for drab is "Dull, monotonous.", and the definition for demeanor is "Behavior towards others."

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 combative is "eager to fight.", the definition for duplicity is "Deceptive thought, speech, or action.", and the definition for rancorous is "Marked by deep ill–will."

The definition for accommodate is "To give consideration to." Used in a sentence: The hospitable couple was happy to accommodate the needs of their finicky guest. The definition for drab is "dull, monotonous.", the definition for corrective is "Intended to correct.", and the definition for stern is "Harsh, severe."

The definition for futile is "Without purpose, completely ineffective." Used in a sentence: Arguing with Andrew is futile because he never changes his mind. The definition for accentuate is "to emphasize.", the definition for melee is "A tumultuous fight among several people.", and the definition for commemorate is "To mark by a ceremony."

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 implausible is "unbelievable.", the definition for anthology is "A collection of selected literary pieces.", and the definition for revoke is "To cancel by taking back."