|   New    Known    Review | 
| eccentric | 
|     | 
| a. Syn. irregular; odd; whimsical; bizarre departing from a recognized, conventional, or established norm or pattern | 
|   New    Known    Review | 
| echo | 
|     | 
| n.  sound reflected from an opposing surface and repeated to the ear; repetition of a sound | 
|   New    Known    Review | 
| economical | 
|     | 
| a. Syn. thrifty; saving thrifty; saving; using the minimum of time or resources necessary for effectiveness | 
|   New    Known    Review | 
| economics | 
|     | 
| n.  branch of social science that deals with the production and distribution and consumption of goods and services and their management | 
|   New    Known    Review | 
| edit | 
|     | 
| v.  revise and prepare for publication; select, correct, arrange matter of, for publication | 
|   New    Known    Review | 
| efficient | 
|     | 
| a. Syn. effective effective; acting directly to produce an effect; exhibiting a high ratio of output to input | 
|   New    Known    Review | 
| elaborate | 
|     | 
| a. Syn. detailed; complicated marked by complexity and richness of detail; done with care and in minute detail |