| alluvium |
sand, soil, gravel, or the like deposited by moving water, as along a river bed. |
| amity |
friendly and peaceful relations; good will. |
| collateral |
property or other security put forward to guarantee repayment of a loan. |
| derelict |
failing to fulfill one's responsibilities or obligations; remiss. |
| diatribe |
a bitter, abusive attack in speech or writing. |
| epicene |
sharing the traits of both sexes. |
| erudite |
having or showing a high level of scholarly knowledge; learned. |
| exponent |
one that expounds or interprets. |
| extort |
to extract or obtain (money or the like) by force, threats, or abuse of authority. |
| facetious |
not serious; humorous or frivolous. |
| imprimatur |
any official permission or sanction. |
| impromptu |
without advance plan or preparation; spontaneously. |
| modular |
designed with standardized units that may be arranged or connected in a variety of ways. |
| prerogative |
an exclusive right or privilege derived from one's office, position, age, citizenship, birth, or the like. |
| supine |
lying with the face upward. |