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 demean is "To lower status.", and the definition for gravity is "Importance, significance."

The definition for elusive is "Hard to grasp." Used in a sentence: The words to the song are elusive, as the singer tends to mumble. The definition for euphoria is "feeling of great happiness.", the definition for polarize is "To break up into opposing groups.", and the definition for sociable is "Inclined to seek companionship."

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 aerate is "to supply with air.", the definition for mediate is "To come between parties in order to reconcile.", and the definition for iridescent is "Having a lustrous or attractivve quality."

The definition for proximity is "Closeness." Used in a sentence: The proximity of Tia's house to school meant that she could walk there in five minutes. The definition for sociable is "inclined to seek companionship.", the definition for pantomime is "Telling a story through gestures.", and the definition for raspy is "rough, grating."

The definition for obnoxious is "Highly offensive." Used in a sentence: The manager asked the obnoxious diner to leave the restaurant. The definition for demeanor is "behavior towards others.", the definition for placebo is "An inactive substance used in medical testing.", and the definition for curtail is "To make less."