The definition for appalling is "Inspiring dismay or disgust." Used in a sentence: Hector found his roommate's habit of leaving his dirty socks on the floor appalling. The definition for placebo is "an inactive substance used in medical testing.", the definition for frugal is "Thrifty, cheap.", and the definition for extenuating is "Partially excusing."

The definition for exasperation is "The state of being irritated." Used in a sentence: The longer Jorge waited in line at the ticket counter, the more his exasperation grew. The definition for rancorous is "marked by deep ill–will.", the definition for penurious is "Extrememly stingy.", and the definition for fickle is "Lacking constancy, changeable."

The definition for precept is "A general rule of action." Used in a sentence: All the students know Mrs. Brown's strict precept; no talking in class. The definition for condone is "to treat as acceptable.", the definition for grandiose is "With an affectation of grandeur.", and the definition for oblivious is "Lacking awareness."

The definition for recrimination is "A retaliatory accusation." Used in a sentence: Frank, who was wounded by Sally's remark, made a bitter recrimination. The definition for raspy is "rough, grating.", the definition for corroborate is "To support with evidence.", and the definition for appalling is "Inspiring dismay or disgust."

The definition for impenitent is "Lacking remorse." Used in a sentence: The impenitent criminal received a harsh penalty, but his remorseful accomplice was released. The definition for iridescent is "having a lustrous or attractivve quality.", the definition for euphoria is "Feeling of great happiness.", and the definition for incongruous is "Not harmonious, incompatible."