The definition for futile is "Without purpose, completely ineffective." Used in a sentence: Arguing with Andrew is futile because he never changes his mind. The definition for buffer is "protective barrier.", the definition for revive is "To bring back to life.", and the definition for genial is "Sympathetic, friendly."

The definition for opportune is "Suitable or convenient." Used in a sentence: Quan stepped onto the platform at the most opportune time, just as the train pulled in. The definition for camaraderie is "spirit of friendship.", the definition for incongruous is "Not harmonious, incompatible.", and the definition for foil is "One that enhances or underscores by contrast."

The definition for corrosive is "Bitingly sarcastic." Used in a sentence: The cruel Estella's corrosive comments made Pip cry. The definition for adversary is "one who opposes or resists.", the definition for discern is "To recognize as separate as distinct.", and the definition for antidote is "Something that relieves or counteracts."

The definition for combative is "Eager to fight." Used in a sentence: The teacher suggested the combative student channel his aggression into boxing. The definition for combative is "eager to fight.", the definition for apathetic is "Showing little or no emotion.", and the definition for compulsion is "An irresistible impulse."

The definition for eloquent is "Fluent, expressive." Used in a sentence: Kim, an eloquent speaker, was the best choice to make the presentation for the group. The definition for censure is "to find fault with.", the definition for defiant is "Showing bold resistance.", and the definition for induce is "To influence or cause."