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 surplus is "excess.", the definition for polarize is "To break up into opposing groups.", and the definition for gravity is "Importance, significance."

The definition for anthology is "A collection of selected literary pieces." Used in a sentence: The writer was thrilled when his story was included in an anthology of American masterpieces. The definition for raspy is "rough, grating.", the definition for serenity is "Calmness.", and the definition for ecstatic is "Overwhelmingly emotional."

The definition for commemorate is "To mark by a ceremony." Used in a sentence: Each year, the Franklins commemorate their anniversary by visiting the site of their first date. The definition for salvage is "to save from ruin.", the definition for mandate is "An official order or commission to do something.", and the definition for embellish is "To decorate."

The definition for oblivious is "Lacking awareness." Used in a sentence: Love–struck Charlie was oblivious to everyone but the object of his affection. The definition for eloquent is "fluent, expressive.", the definition for avian is "Relating to birds.", and the definition for augment is "To make greater."

The definition for corrosive is "Bitingly sarcastic." Used in a sentence: The cruel Estella's corrosive comments made Pip cry. The definition for flourish is "to make bold, sweeping gestures.", the definition for incumbent is "Necessary as a duty or responsibility.", and the definition for brandish is "To shake or wave menacingly."