On the left side; opposite of right

• The bank of a river to one’s left facing downstream

Left-wing; relating to the political left

On or toward the left side

• Toward the political left

The left side or direction

• The political left as a group
• The left hand or fist
• A punch with the left hand
• A wave breaking left to right from shore

Simple past and past participle of leave

Remaining; not used, taken, or spent