The definition for diffident is "Lacking self–confidence." Used in a sentence: The diffident student never raised her hand in class, even when she knew the answer. The definition for hedonism is "belief that pleasure is the sole aim of life.", the definition for indecorous is "In bad taste.", and the definition for stern is "Harsh, severe."

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 discern is "to recognize as separate as distinct.", the definition for revive is "To bring back to life.", and the definition for composed is "Calm."

The definition for inflammatory is "Tending to excite anger." Used in a sentence: Garth's inflammatory remarks at the party made Gwen furious. The definition for aesthete is "person having or affecting sensitivity to beauty.", the definition for elusive is "Hard to grasp.", and the definition for exception is "A case to which the rule does not apply."

The definition for surplus is "Excess." Used in a sentence: Trevor decided to freeze the surplus chili for next week's tailgate party. The definition for exalt is "to elevate by praise.", the definition for corroborate is "To support with evidence.", and the definition for catastrophic is "Relating to extreme misfortune."

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 archaic is "characteristic of an earlier time.", the definition for extol is "To praise highly.", and the definition for moderate is "Tending toward the average."