The definition for corrosive is "Bitingly sarcastic." Used in a sentence: The cruel Estella's corrosive comments made Pip cry. The definition for promote is "to contribute to the growth or prosperity of.", the definition for accessible is "Easy to reach or to approach.", and the definition for fragile is "Delicate."

The definition for retroactive is "effective as of a prior time or condition." Used in a sentence: The retroactive law made even past infractions punishable. The definition for comparable is "similar, equivalent.", the definition for accessible is "Easy to reach or to approach.", and the definition for rancorous is "Marked by deep ill–will."

The definition for prudent is "Marked by wisdom, shrewd." Used in a sentence: Manny was happy she followed Greg's prudent advice to study, as the test was difficult. The definition for placebo is "an inactive substance used in medical testing.", the definition for aesthete is "Person having or affecting sensitivity to beauty.", and the definition for extol is "To praise highly."

The definition for insolence is "Boldness or rudeness." Used in a sentence: The boy's insolence to the policeman embarrassed his mother. The definition for colossal is "immense, enormous.", the definition for demeanor is "Behavior towards others.", and the definition for revive is "To bring back to life."

The definition for incumbent is "Necessary as a duty or responsibility." Used in a sentence: It was incumbent on Jack to attend his father's retirement party. The definition for appalling is "inspiring dismay or disgust.", the definition for serenity is "Calmness.", and the definition for flagrant is "Noticeably offensive."