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 avian is "relating to birds.", the definition for advantageous is "Giving an advantage.", and the definition for parity is "Equality."

The definition for deferment is "The act of delaying." Used in a sentence: Sybil was frustrated by the deferment of her much anticipated vacation. The definition for flaw is "an imperfection.", the definition for eloquent is "Fluent, expressive.", and the definition for obnoxious is "Highly offensive."

The definition for heinous is "Shockingly evil." Used in a sentence: Eduardo's heinous betrayal of Lydia shocked even Latasha, who knew his evil ways. The definition for discern is "to recognize as separate as distinct.", the definition for incumbent is "Necessary as a duty or responsibility.", and the definition for corrosive is "Bitingly sarcastic."

The definition for gravity is "Importance, significance." Used in a sentence: Understanding the gravity of his error, Ken offered his humblest apology. The definition for polarize is "to break up into opposing groups.", the definition for euphoria is "Feeling of great happiness.", and the definition for fragile is "Delicate."

The definition for facade is "false or superficial appearance." Used in a sentence: Emily's smile is just a facade masking her broken heart. The definition for mundane is "practical, ordinary.", the definition for composed is "Calm.", and the definition for commemorate is "To mark by a ceremony."