Definition of sign for Students. 1  1 : a motion, action, or movement of the hand that means something The teacher made a sign for them to be quiet. 2  2 : a public notice that advertises something or gives information a stop sign. 3  3 : something that indicates what is present or is to come the first signs of spring.
Andrew James Clutterbuck (born 14 September 1973), better known by his stage name Andrew Lincoln, is an English actor. He is most recognized for his portrayal of Rick Grimes, the lead character on the AMC horror drama series The Walking Dead. He first came to public attention as Egg in the BBC drama This Life, followed by roles such as Simon in the Channel 4 sitcom Teachers and Mark in the romantic comedy film Love Actually (2003).
Rick Grimes is a former Sheriff's deputy who has been in a coma for several months after being shot while on duty. When he awakens he discovers that the world has been ravished by a zombie epidemic of apocalyptic proportions, and that he seems to be the only person still alive. After returning home to discover his wife and son missing, he runs into survivors Morgan and his son; who teach him the ropes of the new world.