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 insinuate is "to suggest indirectly.", the definition for serenity is "Calmness.", and the definition for celebrated is "Widely known, respected."

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 apathetic is "showing little or no emotion.", the definition for mediate is "To come between parties in order to reconcile.", and the definition for comprehensible is "Understandable."

The definition for duplicity is "Deceptive thought, speech, or action." Used in a sentence: The life of an undercover detective is filed with necessary duplicity. The definition for untenable is "not able to be defended.", the definition for sociable is "Inclined to seek companionship.", and the definition for onset is "Beginning."

The definition for curtail is "To make less." Used in a sentence: Doreen decided to curtail her spending after she bounced a check. The definition for revive is "to bring back to life.", the definition for incisive is "Impressively direct and decisive.", and the definition for proximity is "Closeness."

The definition for incidental is "Minor." Used in a sentence: The accountant advised Justine not to report her incidental expenses. The definition for curtail is "to make less.", the definition for disdain is "Feeling of contempt.", and the definition for incisive is "Impressively direct and decisive."