Definition of Lefty

Noun: lefty lef-tee

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

Adjective: lefty lef-tee

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