The definition for pallid is "Lacking color." Used in a sentence: The nurse was worried by the patient's pallid face and shallow breathing. The definition for catastrophic is "relating to extreme misfortune.", the definition for straddle is "To favor opposing sides.", and the definition for mundane is "Practical, ordinary."

The definition for avian is "Relating to birds." Used in a sentence: The old man affectionately referred to pigeons as his "avian friends." The definition for iridescent is "having a lustrous or attractivve quality.", the definition for demeanor is "Behavior towards others.", and the definition for retroactive is "effective as of a prior time or condition."

The definition for grandiose is "With an affectation of grandeur." Used in a sentence: The sweeping, grandiose staircase looked preposterous in the modest entry hall. The definition for trove is "valuable collection.", the definition for moderate is "Tending toward the average.", and the definition for implausible is "Unbelievable."

The definition for corrosive is "Bitingly sarcastic." Used in a sentence: The cruel Estella's corrosive comments made Pip cry. The definition for gargantuan is "gigantic.", the definition for heinous is "Shockingly evil.", and the definition for grandiose is "With an affectation of grandeur."

The definition for mediate is "To come between parties in order to reconcile." Used in a sentence: The diplomatic Henry was able to mediate between the quarreling sisters. The definition for censure is "to find fault with.", the definition for frugal is "Thrifty, cheap.", and the definition for placebo is "An inactive substance used in medical testing."