Among the Hidden Vocabulary List #2

2. of, relating to or consisting in theory; not practical
9. indoor growing, the cultivation of plants by placing the roots in liquid nutrient solutions rather than in soil; soilless growth of plants
10. having its original purity; uncorrupted or untouched
12. one of the bundles in which cereal plants, as wheat, rye, etc., are bound after reaping; a piece
14. to revoke or withdraw formally or officially
15. coolly unconcerned, indifferent, or unexcited, casual
16. a centralized government that does not tolerate parties of differing opinion, exercising control over the freedom, will, or thought of others; authoritarian
18. a facial expression, often ugly or contorted, that indicates disapproval or pain
20. capable of being heard; loud enough to be heard; actually heard

1. the deliberate and systematic extermination of a national, racial, political, or cultural group
3. a blow, especially with the hand, informal pull; strong influence; muscle, especially political power
4. having or showing great warmth or intensity of spirit, feeling, enthusiasm
5. cynical disposition, character, or belief, bitterly or sneeringly distrustful, contemptuous, or pessimistic
6. muffled, crush, or end by force to stifle a revolt; to stifle free expression to suppress, or withhold
7. infrequent, appearing or happening at irregular intervals in time; occasional
8. not ordered or commanded; not asked or summoned; uninvited
11. quick to notice or perceive; alert looking at, watching, or regarding attentively; watchful
13. hunger, extreme and general scarcity of food, as in a country or a large geographical area
17. completely destroying or defeating someone or something
19. forbidden, to make unlawful or illegal