The definition for moderate is "Tending toward the average." Used in a sentence: The best–selling writer was disappointed; his new novel was only a moderate success. The definition for implement is "to carry out or accomplish.", the definition for drab is "Dull, monotonous.", and the definition for inviolable is "Secure from assault of trespass."

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 epistolary is "contained or carried on in letters.", the definition for futile is "Without purpose, completely ineffective.", and the definition for lurid is "Causing horror, shocking."

The definition for incisive is "Impressively direct and decisive." Used in a sentence: Samir's incisive leadership made him the natural choice for president of the company. The definition for rancorous is "marked by deep ill–will.", the definition for ploy is "A contrived plan.", and the definition for colossal is "Immense, enormous."

The definition for periodic is "Occurring at regular intervals." Used in a sentence: The periodic innterruptions of the cuckoo clock prevented Li from concentrating. The definition for implausible is "unbelievable.", the definition for extol is "To praise highly.", and the definition for buffer is "Protective barrier."

The definition for stern is "Harsh, severe." Used in a sentence: The stern principal canceled the prom after the seniors played a silly prank. The definition for buffer is "protective barrier.", the definition for derivative is "Lacking originality.", and the definition for sociable is "Inclined to seek companionship."