What does left mean?
Left is a versatile English word whose basic meaning is “on or toward the left-hand side.” It can describe a position, as in a building on the left, or indicate movement in that direction, as in turn left. The word also means departed or remaining behind, especially in expressions such as left behind and leave something behind. In political language, the left refers to people and ideas generally associated with egalitarian, reformist, socialist, or anti-establishment positions, though the precise meaning depends on context and history. As a verb, left is the past tense and past participle of leave. The word is also widely used in idiomatic expressions, including left at that, which means forgotten or disregarded. Together, its spatial, temporal, and political meanings make left one of the most familiar directional words in English.
Situated on or relating to the left-hand side; departing or remaining behind.
"The blue house is the one on the left."
In the departing sense, left is normally used predicatively or in compounds such as left behind.
The left-hand side of a person, place, or object; a political group favoring left-wing policies.
"Keep to the left of the entrance and continue north."
In political contexts, the left generally denotes a broad ideological grouping rather than one precise party or movement.
The past tense and past participle of leave, meaning to depart from a place or situation.
"They left the meeting before the discussion ended."
This is the standard past-tense and past-participle form of leave.
Toward or in the direction of the left-hand side.
"The road curves left after the bridge."
The adverb is especially common in instructions and descriptions of movement.
The plural is uncommon, but lefts can refer to individual left-hand blows or to left-wing political positions, depending on context.
"The boxer delivered two lefts before the bell."
The word left has shifted from a direction to a political compass: saying something is on the left can mean either physically beside you or ideologically opposed to the political right.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does left come from?
The English word left comes from Old English left, meaning the left-hand side or direction. Its modern directional sense developed from earlier uses associated with the left hand, while the separate past-tense form of leave developed through standard Old English verb inflection. The political sense emerged during the early modern period, when left and right began to designate opposing sides in political assemblies. The word is related to forms in several Germanic languages, including Dutch links and German links, although the exact historical connections among these forms developed over time.
Related word forms
How left is actually used
As a directional term, left is used in British and American English. Its political sense is standard in both varieties, although the precise political position represented by left can vary by country and period. In phrases such as left behind, the word often implies neglect, exclusion, or failure to keep pace.
Easily confused with left
Left and right are directional opposites, while in political contexts they refer to contrasting ideological groups.