WordWeb Online

1. A person who belongs to the political left
   - collectivist, leftist, left-winger, lefty [informal]
    
2. A baseball pitcher who throws the ball with the left hand
   - left-handed pitcher, left-hander, left hander, lefthander, lefty [informal], southpaw [informal]
    
3. A person who uses the left hand with greater skill than the right
   "their pitcher was a leftie";
   - left-hander, lefty [informal], southpaw [informal]

1. Believing in or supporting tenets of the political left
   "Gitlow was a leftie Socialist who rejected the idea of capturing power";
   - leftist, left-of-center [US], left-wing, lefty [informal], left-of-centre [Brit, Cdn]

See also: left

Type of: hurler [N. Amer, informal], individual, mortal, person, pitcher, socialist, somebody, someone, soul, twirler

Encyclopedia: Leftie