WordNet sense 1 (the piece of ground in the outfield on the catcher's left):

left field, leftfield

WordNet sense 2 (located on the left side of a ship or aircraft):

larboard, port

WordNet sense 3 (being on the left side):

near

WordNet sense 4 (located on or directed toward the left):

left-hand

WordNet sense 5 (having political or social views favoring reform and progress):

liberal

WordNet sense 6 (using or intended for the left hand):

left-handed

WordNet sense 7 (not used up):

leftover, odd, remaining, unexpended

WordNet sense 8 (not used up completely):

unexhausted