mobile  | a. movable or not fixed; moving or walking around freely  |  
 moccasin  | n. soft leather shoe; originally worn by Native Americans  |  
 monsoon  | n. the season of heavy rain during the summer in hot Asian countries  |  
 mosquito  | n. two-winged insect whose female has a long proboscis to pierce the skin and suck the blood of humans  |  
 motivate  | v. stimulate; provide with an incentive; move to action  |  
 motive  | n. emotion or desire; a reason for doing something  |  
 motorist  | n. someone who drives, or travels in, an automobile  |  
 multiple  | a. having or involving several parts, elements, or members n. a number that can be divided by another number without a remainder  |  
 murmur  | v. make low, confused, and indistinct sound, like that of running water  |  
 musician  | n. artist who composes or conducts music as a profession  |  
 nonchalant  | a. behaving in a calm manner, often in a way that suggests you are not interested or do not care  |  
 nonfiction  | n. writing that is about real events and facts  |  
 nonstop  | n. a flight made without intermediate stops between source and destination  |  
 nonviolent  | a. not involving fighting or the use of physical force  |  
 novelist  | n. one who writes novels  |  
 nuclear  | a. being or using the power produced when the nucleus of an atom is divided or joined to another  |  
 official  | a. relating to an authority or public body and its duties, actions, and responsibilities  |  
 operate  | v. be in action or have an effect v. cut a body open to fix an unhealthy or damaged part  |  
 opinion  | n. notion founded on probable evidence; belief stronger than impression; favorable estimation  |  
 opossum  | n. a small American marsupial that lives in trees and has thick fur, a long nose, and a tail without fur  |  
 oral  | a. spoken and unwritten; relating to the mouth  |  
 orangutan  | n. a large ape with reddish-brown hair and long arms  |  
 organize  | v. make arrangements for something to happen according to a particular system  |  
 parachute  | n. rescue equipment made of a large piece of cloth that is fastened to a person who is dropped from an aircraft, in order to make him fall slowly  |  
 paradise  | n. garden of Eden; any place of complete delight and peace  |  
 parallel  | a. side by side and having the same distance continuously between them n. a person or thing that is similar to another  |  
 paralysis  | n. loss of the ability to move a body part  |  
 participate  | v. take part in an event or activity  |  
 pavilion  | n. a large building in which sports or entertainments take place  |  
 pedestrian  | n. a person who is walking, especially in an area where vehicles go a. lacking wit or imagination; not interesting  |  
 pediatrician  | n. physician or expert in children's diseases  |  
 pendant  | n. ornament, hanging from a necklace; a piece of jewellery worn around the neck  |  
 pendulum  | n. a body suspended from fixed point as to swing freely to and fro by the alternate action of gravity and momentum  |  
 penguin  | n. short-legged flightless birds of cold southern Antarctic regions  |  
 penicillin  | n. a type of antibiotic, used in the treatment of various infections and diseases  |  
 penitentiary  | n. state or federal prison for convicted felons  |  
 perfume  | n. pleasing, agreeable scent or odor  |  
 permit  | v. consent to; give permission  |  
 perpendicular  | a. vertical or upright; intersecting at or forming right angles; extremely steep  |  
 pharmacist  | n. a health professional trained in the art of preparing and dispensing drugs  |  
 physician  | n. a person qualified to practice medicine; a medical doctor but not a surgeon  |  
 picturesque  | a. attractive in appearance, especially in an old-fashioned way; scenic  |  
 popular  | a. of common people; suitable to common people; easy to be comprehended  |  
 possession  | n. act of having and controlling property; belongings  |  
 precipitation  | n. water that falls from the clouds towards the ground, especially as rain or snow n. the quantity of water falling to earth  |  
 predecessor  | n. former occupant of post; ancestor or forefather  |  
 prediction  | n. something foretold or predicted; prophecy  |  
 preoccupation  | n. an idea that someone thinks about most of the time  n. state of being worried about or thinking about something most of the time  |  
 preserve  | v. uphold or retain; maintain in safety from injury, peril, or harm  |  
 pretzel  | n. a hard salty biscuit that has been baked in a stick or knot shape  |  
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