Things to remember. 1  Caffeine is a stimulant drug that acts on the brain and nervous system. 2  Like many other drugs, it is possible to become dependent on caffeine.  Pregnant women, athletes and children should limit their intake of caffeine.
hobby1. 1  an activity or interest pursued for pleasure or relaxation and not as a main occupation: Her hobbies include stamp-collecting and woodcarving. 2  a child's hobbyhorse. 3  Archaic. a small horse. 4  ride a hobby, to concern oneself excessively with a favorite notion or activity. Also, ride a hobbyhorse.
Definition of game. 1  1a (1) : activity engaged in for diversion or amusement : play (2) : the equipment for a gameb : often derisive or mocking jesting : fun, sport make game of a nervous player. 2  2a : a procedure or strategy for gaining an end : tacticb : an illegal or shady scheme or maneuver : racket.