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 hedonism is "belief that pleasure is the sole aim of life.", the definition for buffoonery is "Foolish behavior.", and the definition for corrosive is "Bitingly sarcastic."

The definition for pretense is "False intention or purpose." Used in a sentence: The jewel thief entered the mansion under the pretense of fixing a leaky faucet. The definition for pretense is "false intention or purpose.", the definition for defiant is "Showing bold resistance.", and the definition for solace is "Source of consolation."

The definition for sociable is "Inclined to seek companionship." Used in a sentence: The sociable Glenda was delighted to receive the party invitation. The definition for epitaph is "brief statement honoring a dead person.", the definition for recrimination is "A retaliatory accusation.", and the definition for immoderate is "Beyond usual or proper limits."

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 garish is "offensively bright.", the definition for lurid is "Causing horror, shocking.", and the definition for rancorous is "Marked by deep ill–will."

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 egotist is "self–important person.", the definition for genial is "Sympathetic, friendly.", and the definition for serenity is "Calmness."