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 impenitent is "lacking remorse.", the definition for corroborate is "To support with evidence.", and the definition for curtail is "To make less."

The definition for colossal is "Immense, enormous." Used in a sentence: After pushing with all his might, Frank realized he could never move the colossal boulder. The definition for abate is "become less in amount or intensity.", the definition for elate is "To fill with joy.", and the definition for punctual is "On time."

The definition for punctual is "On time." Used in a sentence: Ron was worried when the usually punctual Amanda was late for the show. The definition for avian is "relating to birds.", the definition for retroactive is "effective as of a prior time or condition.", and the definition for sociable is "Inclined to seek companionship."

The definition for demeanor is "Behavior towards others." Used in a sentence: Carlos was well liked because of his charming demeanor. The definition for augment is "to make greater.", the definition for embellish is "To decorate.", and the definition for untenable is "Not able to be defended."

The definition for aesthete is "Person having or affecting sensitivity to beauty." Used in a sentence: Consuela's friends called her an aesthete when she claimed that Monet's paintings made her cry. The definition for exalt is "to elevate by praise.", the definition for fragile is "Delicate.", and the definition for retroactive is "effective as of a prior time or condition."