What does space mean?
Space has several related meanings. Most commonly, it refers to the vast physical region beyond Earth and its atmosphere, as in “outer space” and “space exploration.” It can also mean an empty area or gap, either physically, as in a space between two objects, or temporally, as in a space in a schedule. In figurative contexts, space means room or opportunity: a proposal may “create space for discussion,” while a field may “open space for new ideas.” The word also denotes a defined area, such as a parking space, and, in mathematics and typography, the distance between objects, characters, or points. Its broad range of uses reflects its original sense of distance or extent. In everyday speech, “space” often suggests room, freedom, or an available opportunity, giving it a positive connotation when used metaphorically.
The vast physical expanse beyond Earth or another celestial body; also an area, gap, period, or opportunity available for a particular purpose.
"The telescope allows us to observe distant objects in space."
The meaning is contextual: “space” may indicate outer space, physical room, a gap, a period of time, or an area of activity.
To arrange something at regular intervals so that there is room between its parts, or to give someone time, room, or an opportunity.
"The designer spaced the chairs evenly around the room."
In the figurative sense, this is common in formal and professional contexts.
Relating to outer space or space travel.
"The agency is preparing a new space mission."
This attributive use is especially common in journalism and technical writing.
The plural refers to separate areas or gaps, available room or opportunities, or particular locations or positions.
"The seating spaces were clearly marked."
From the Latin word for distance, “space” grew to describe the universe—and eventually the room between two thoughts.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does space come from?
The word comes from Latin spatium, meaning “space, distance, or interval.” It entered English through Old French espace, originally associated with physical distance and extent. The scientific sense developed as astronomy and physics came to describe the universe as an extended region. Related English words include spatial, spacious, and spacecraft, all built from the same Latin root.
Related word forms
How space is actually used
In scientific contexts, “space” often denotes the three-dimensional extent in which physical objects exist. In figurative uses, it can mean room, opportunity, or a field of activity. “Space” is commonly used in both formal and informal English.
Easily confused with space
Space is usually an area or extent, while place is more often a particular location or position.