serial  | n. a story appearing in regular installments on tv, magazine, or newspaper a. happening one after another in time or order  |  
 service  | n. act of dealing with customers in a shop, restaurant, etc.  |  
 sewer  | n. waste pipe that carries away sewage or surface water  |  
 shield  | n. protective covering or structure; a large, flat object made of metal or leather that soldiers held to protect themselves  |  
 significance  | n. the quality of being worthy of attention; importance  |  
 skiing  | n. action of traveling over snow on skis, especially as a sport or recreation  |  
 slogan  | n. phrase used repeatedly, as in advertising or promotion  |  
 social  | a. relating to human society and its members a. marked by friendly companionship with others  |  
 solemn  | a. serious and without any humour  |  
 sophomore  | n. a student studying in the second year at a US college or high school  |  
 strict  | a. limiting people’s freedom to behave as they wish beyond what is usual a. exactly correct  |  
 subtle  | a. slight; be difficult to detect or grasp by the mind  |  
 suggestion  | n. an idea, possible plan, or action that is mentioned for other people to consider  |  
 susceptible  | a. easily influenced; having little resistance, as to a disease  |  
 suspicious  | a. openly distrustful and unwilling to confide; questionable  |  
 teenage  | a. being of the age 13 through 19  |  
 temperamental  | a. excessively sensitive or irritable; moody; likely to perform unpredictably  |  
 Tennessee  | n. a state in east central United States  |  
 therefore  | ad. consequently; hence  |  
 thirteen  | a. being one more than twelve n. the number that is the sum of twelve and one  |  
 thorough  | a. complete with regard to every detail; not superficial and not partial  |  
 thoroughly  | ad. completely, very much, in a detailed and careful way  |  
 thunderstorm  | n. storm resulting from strong rising air currents; heavy rain or hail along with thunder and lightning  |  
 tissue  | n. groups of cells that make particular parts of the body n. soft thin paper  |  
 toboggan  | n. an object for sitting on and sliding over snow and ice, its board curved upward in front  |  
 tomato  | n. mildly acid red or yellow pulpy fruit eaten as a vegetable  |  
 tractor  | n. a motor vehicle with large back wheels and thick tyres, used on farms for pulling machinery  |  
 tranquil  | a. calm and peaceful and without noise, violence, or worry  |  
 tremendous  | a. huge; capable of making one tremble  |  
 trustworthy  | a. dependable and reliable; able to be trusted  |  
 tunnel  | n. passageway through or under something, usually underground  |  
 twelfth  | a. coming next after the eleventh and just before the thirteenth in position n. one part in twelve equal parts  |  
 underachiever  | n. someone who is less successful than they should be at school or at work  |  
 undercover  | a. working secretly using a false appearance to get information for the police  |  
 underweight  | a. weighing less than usual, very thin  |  
 uniform  | n. a particular set of clothes for a particular group, like police a. the same; not changing or different in any way  |  
 unite  | v. bring together for a common purpose or action or ideology or in a shared situation  |  
 unity  | n. state of being joined together or in agreement; quality of being united into one  |  
 unwieldy  | a. difficult to use or handle because of size, weight, or shape; lacking grace in movement or posture  |  
 unwritten  | a. not recorded in writing a. not official, but which people generally accept and obey  |  
 urban  | a. metropolitan; of or in a city or town  |  
 vaccination  | n. the process or an act of giving someone a vaccine  |  
 vague  | a. imprecise or indistinct; not clearly expressed, known, described, or decided  |  
 vanilla  | n. a substance made from the seeds of a tropical plant, used to give flavour to sweet foods  |  
 variety  | n. diversity; quality or condition of being various or varied  |  
 viewpoint  | n. a place from where a person can see something, as natural beauty  |  
 waltz  | n. a formal dance in triple time with a strong accent to move around a large room  |  
 worth  | a. having a particular value, especially in money n. the quality that renders something desirable or valuable or useful  |  
 wring  | v. twist by holding tightly; compress something by turning hands in opposite directions to extract liquid  |  
 yield  | v. produce something positive such as a profit; give forth a natural product v. stop in order to allow other vehicles to go past; give up the control of something  |  
  |