The definition for avian is "Relating to birds." Used in a sentence: The old man affectionately referred to pigeons as his "avian friends." The definition for corrosive is "bitingly sarcastic.", the definition for pallid is "Lacking color.", and the definition for flaw is "An imperfection."

The definition for comparable is "Similar, equivalent." Used in a sentence: Helen will only accept something of comparable value for her ticket to the concert. The definition for buffer is "protective barrier.", the definition for nurture is "To further the development of.", and the definition for repel is "To resist, reject."

The definition for elate is "To fill with joy." Used in a sentence: It elated Margaret to be awarded first place in the science fair. The definition for immoderate is "beyond usual or proper limits.", the definition for mundane is "Practical, ordinary.", and the definition for plaudits is "Enthusiastic approval."

The definition for civility is "Politeness." Used in a sentence: The usually unruly Thomas acted with great civility when his favorite uncle visited. The definition for flagrant is "noticeably offensive.", the definition for parity is "Equality.", and the definition for euphoria is "Feeling of great happiness."

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 iridescent is "having a lustrous or attractivve quality.", the definition for appraise is "To evaluate the worth of.", and the definition for placebo is "An inactive substance used in medical testing."