The definition for diffident is "Lacking self–confidence." Used in a sentence: The diffident student never raised her hand in class, even when she knew the answer. The definition for negate is "to make invalid.", the definition for benefactor is "One who offers financial help.", and the definition for hedonism is "Belief that pleasure is the sole aim of life."

The definition for benevolent is "Kind, helpful." Used in a sentence: Sherman revealed his benevolent side when he offered to help Carter with his homework. The definition for exception is "a case to which the rule does not apply.", the definition for rancorous is "Marked by deep ill–will.", and the definition for extol is "To praise highly."

The definition for lurid is "Causing horror, shocking." Used in a sentence: The lurid photos of the crime scene upset the jury. The definition for pretentious is "making unjustified claims.", the definition for pomp is "Showy display.", and the definition for perception is "Capacity for seeing or understanding."

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 catastrophic is "relating to extreme misfortune.", the definition for buffer is "Protective barrier.", and the definition for periodic is "Occurring at regular intervals."

The definition for revive is "To bring back to life." Used in a sentence: Hank tried to revive Clare's interest in the project, but her enthusiasm had expired. The definition for antidote is "something that relieves or counteracts.", the definition for prudent is "Marked by wisdom, shrewd.", and the definition for repentant is "Feeling regret."