Vociferous (vo·cif·er·ous) adj Characterized by vehemence, clamour, or noisiness: “A vociferous crowd.”

Nefarious [ne·far·i·ous] adj.  Infamous by way of being extremely wicked. Wicked in the extreme; abominable; iniquitous; atrociously villainous; execrable; detestably vile. “His nefarious scheme cost investors millions of dollars.”

Chagrin [cha·grin] n.  A keen feeling of mental unease, as of annoyance or embarrassment, caused by failure, disappointment, or a disconcerting event. “He decided to take the day off, much to the chagrin of his boss.”

Reciprocity (rec·i·proc·i·ty) n A reciprocal condition or relationship. “The president’s proposal calls for full reciprocity.”

Myopic; Myopia [my·o·pia] n.  Distant objects appear blurred – Lack of discernment or long-range perspective in thinking or planning: “Myopic thinking.”

Genteel (gen·teel) adj.  1. Refined in manner; well-bred and polite.  2.
Free from vulgarity or rudeness.  3.Elegantly stylish: genteel manners and appearance.

Epicurean (ep·i·cu·re·an) adj.  Devoted to the pursuit of sensual pleasure, particularly the enjoyment of gourmet food.

Formative (for·ma·tive) adj.  Of or relating to formation, growth, or development: the formative stages of a child.

Expeditious (ex·pe·di·tious) adj.  Acting or done with speed and efficiency.

Nexus (nex·us) n.  A means of connection; a link or tie: “The nexus between the mob and gambling.”  2. A connected series or group.  3. The core or center.