The definition for fickle is "Lacking constancy, changeable." Used in a sentence: The fickle Senji had a new best friend every month. The definition for iridescent is "having a lustrous or attractivve quality.", the definition for incongruous is "Not harmonious, incompatible.", and the definition for parity is "Equality."

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 defiant is "showing bold resistance.", the definition for polarize is "To break up into opposing groups.", and the definition for corroborate is "To support with evidence."

The definition for derelict is "Abandoned." Used in a sentence: The derelict house was condemned as a public hazard. The definition for belated is "past the normal or proper time.", the definition for repentant is "Feeling regret.", and the definition for incisive is "Impressively direct and decisive."

The definition for ethical is "Conforming to accepted standards." Used in a sentence: Mary did the ethical thing and turned in the diamond necklace she found. The definition for commemorate is "to mark by a ceremony.", the definition for iridescent is "Having a lustrous or attractivve quality.", and the definition for beneficial is "Helpful."

The definition for serenity is "Calmness." Used in a sentence: The serenity of the glassy sea soothed the sailors after the big storm. The definition for drab is "dull, monotonous.", the definition for accessible is "Easy to reach or to approach.", and the definition for inflammatory is "Tending to excite anger."