noun, often attributive
\ ˈspās How to pronounce space (audio) \

Definition of space

 (Entry 1 of 2)

1 : a period of time also : its duration
2a : a limited extent in one, two, or three dimensions : distance, area, volume
b : an extent set apart or available parking space floor space
c : the distance from other people or things that a person needs in order to remain comfortable invading my personal space
3 : one of the degrees between or above or below the lines of a musical staff — compare line
4a : a boundless three-dimensional extent in which objects and events occur and have relative position and direction infinite space and time
b : physical space independent of what occupies it

called also absolute space

5 : the region beyond the earth's atmosphere or beyond the solar system
6a : a blank area separating words or lines
b : material used to produce such blank area especially : a piece of type less than one en in width
7 : a set of mathematical elements and especially of abstractions of all the points on a line, in a plane, or in physical space especially : a set of mathematical entities with a set of axioms of geometric character — compare metric space, topological space, vector space
8a : linage
b : broadcast time available especially to advertisers
9 : accommodations on a public vehicle
10a : the opportunity to assert or experience one's identity or needs freely
b : an opportunity for privacy or time to oneself


spaced; spacing

Definition of space (Entry 2 of 2)

transitive verb

: to place at intervals or arrange with space between Evenly space 16 tablespoons of shredded cheese on the baking sheet … — The Milwaukee Journal Sentinel often used with out Space out the work you plan to do … Don't try to crowd too much into each day.— Darlene Polachic

intransitive verb

1 : to leave one or more blank spaces (as in a line of typing)
2 informal : to fail to remember something : forget … I totally forgot to write last week. I had planned to do it, I had it all figured out, and I spaced.— Steve "Nookie" Postal often used with on If your mom doesn't live close by, or if you totally spaced on getting her a Mother's Day gift this year, then flowers or chocolates are a great, last-minute gift idea that are sure to brighten her day.— Leah Stodart — see also space out

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Synonyms for space

Synonyms: Noun

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Examples of space in a Sentence

Noun There's still some space for a bookshelf. the space behind the couch Is there space in the cabinet for these dishes? There's not much empty space. He moved the books to create more space on his desk. Those old boxes take up a lot of space. The magazine devotes a lot of space to advertising. She has a space between her front teeth. There isn't much space between our houses. the wide open spaces of the western U.S. Verb Space the seedlings about six inches apart. He spaces his albums so that he puts one out every two to three years. They spaced the births of their three children two years apart. See More
Recent Examples on the Web: Noun Andreessen also announced a notable deal in the space this week, leading a $24 million Series A investment in Metatheory. Kevin Dowd, Forbes, 20 May 2022 Getting off the Earth is one thing, but inserting tab A into slot B in space is another. Richard Tribou, Orlando Sentinel, 20 May 2022 In the space of 2 miles, the land jounces down some 2,000 feet—one of the steepest descents east of the Rockies. Andrew Nelson, WSJ, 19 May 2022 While in space, Starliner struggled to communicate with the ground. Christian Davenport, Washington Post, 19 May 2022 The mission ops folks that will control the spacecraft in space are ready. Eric Berger, Ars Technica, 19 May 2022 The series follows Jo (Noomi Rapace), a woman who returns to Earth after a disaster in space — only to discover that key pieces of her life seem to be missing. Selome Hailu, Variety, 18 May 2022 And Heat coach Erik Spoelstra has a simple reason why Butler is in this space. Tim Reynolds, ajc, 18 May 2022 Dayo Odeyingbo spent his rookie season trapped in that space. Joel A. Erickson, The Indianapolis Star, 18 May 2022 Recent Examples on the Web: Verb Chari and Barron — both of whom had never been to space prior to the Crew-3 mission — have also both been selected for NASA's corps of Artemis astronauts, who could fly on future missions to the moon. Jackie Wattles, CNN, 5 May 2022 The booster that blasted off Wednesday was making its fourth flight, the first time astronauts were carried to space on a rocket that had flown that often. Washington Post, 27 Apr. 2022 Enceladus appears to have a sub-ice ocean and geysers that release some of its contents to space. John Timmer, Ars Technica, 19 Apr. 2022 In addition to the samples of moon dust, Bonhams' Space History sale includes a fragment from Sputnik-1, which was launched to space in 1957 by the Soviet Union and became the first artificial satellite in Earth's orbit. NBC News, 12 Apr. 2022 Lopez-Alegría, a veteran of four trips to space between 1995 and 2007 during his time with NASA, is commanding this mission as an Axiom employee. Jackie Wattles, CNN, 9 Apr. 2022 Saturday Night Live star Pete Davidson won't be heading to space on Blue Origin's next flight after all. Brendan Morrow, The Week, 18 Mar. 2022 Saturday Night Live's Pete Davidson is heading to space next week. Stephanie Mlot, PCMAG, 15 Mar. 2022 The 28-year-old comedian is heading to space aboard the next Blue Origin mission on March 23. Caitlin O'kane, CBS News, 14 Mar. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'space.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of space


14th century, in the meaning defined at sense 1


1700, in the meaning defined at transitive sense

History and Etymology for space


Middle English, from Anglo-French espace, space, from Latin spatium area, room, interval of space or time

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Learn More About space

Time Traveler for space

Time Traveler

The first known use of space was in the 14th century

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Dictionary Entries Near space



space absorption

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Statistics for space

Last Updated

22 May 2022

Cite this Entry

“Space.” Dictionary, Merriam-Webster, Accessed 25 May. 2022.

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More Definitions for space


\ ˈspās How to pronounce space (audio) \

Kids Definition of space

 (Entry 1 of 2)

1 : a part of a distance, area, or volume that can be measured a grassy open space
2 : a certain place set apart or available a parking space There's still some space in the cupboard.
3 : the area without limits in which all things exist and move endless space and time
4 : a period of time The phone rang five times within the space of 15 minutes.
5 : the region beyond the earth's atmosphere
6 : an empty place Sit in the space between us.


spaced; spacing

Kids Definition of space (Entry 2 of 2)

: to place or separate with some distance or time between Space the posts about six feet apart.


\ ˈspās How to pronounce space (audio) \

Medical Definition of space

1 : a period of time also : its duration
2 : a limited extent in one, two, or three dimensions
3 : a particular area or cavity within the body

More from Merriam-Webster on space

Nglish: Translation of space for Spanish Speakers

Britannica English: Translation of space for Arabic Speakers


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