The definition for polarize is "To break up into opposing groups." Used in a sentence: Thelma tended to polarize discussions rather than to encourage compromise. The definition for revoke is "to cancel by taking back.", the definition for extenuating is "Partially excusing.", and the definition for awe is "Emotion combining dread and wonder."

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 mediate is "to come between parties in order to reconcile.", the definition for composed is "Calm.", and the definition for straddle is "To favor opposing sides."

The definition for buffer is "Protective barrier." Used in a sentence: The dense trees acted as a buffer against the heavy rain. The definition for revive is "to bring back to life.", the definition for epitaph is "Brief statement honoring a dead person.", and the definition for accentuate is "To emphasize."

The definition for ramble is "To wander, physically or in language." Used in a sentence: Professor Tan rambled during his lectures, frequently straying from the subject. The definition for retroactive is "effective as of a prior time or condition.", the definition for extant is "Currently existing.", and the definition for incidental is "Minor."

The definition for plaudits is "Enthusiastic approval." Used in a sentence: Allison's painting met with plaudits from the critics, who had dismissed her earlier work. The definition for exalt is "to elevate by praise.", the definition for catastrophic is "Relating to extreme misfortune.", and the definition for solace is "Source of consolation."