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 compulsion is "an irresistible impulse.", the definition for corrective is "Intended to correct.", and the definition for trove is "Valuable collection."

The definition for corroborate is "To support with evidence." Used in a sentence: "Unless you can corroborate your story, it will not be admissible in court," the attorney told his client. The definition for penurious is "extrememly stingy.", the definition for refurbish is "To brighten or freshen.", and the definition for oblivious is "Lacking awareness."

The definition for entangle is "To involve in trouble." Used in a sentence: Jonah regretted entangling Parker in his legal difficulties. The definition for advantageous is "giving an advantage.", the definition for solace is "Source of consolation.", and the definition for opportune is "Suitable or convenient."

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 extant is "currently existing.", the definition for insinuate is "To suggest indirectly.", and the definition for eulogy is "Speech or writing in praise of deceased."

The definition for stern is "Harsh, severe." Used in a sentence: The stern principal canceled the prom after the seniors played a silly prank. The definition for scapegoat is "someone who bears the blame for others.", the definition for polarize is "To break up into opposing groups.", and the definition for pretentious is "Making unjustified claims."