gravity

noun

grav·​i·​ty ˈgra-və-tē 

plural gravities

often attributive

1

a

: dignity or sobriety of bearing

a person of gravity and learning

b

: importance, significance

especially : seriousness

the gravity of the offense

c

: a serious situation or problem

2

: weight

3

a(1)

: the gravitational attraction of the mass of the earth, the moon, or a planet for bodies at or near its surface

(2)

: a fundamental physical force that is responsible for interactions which occur because of mass between particles, between aggregations of matter (such as stars and planets), and between particles (such as photons) and aggregations of matter, that is 10^-39 times the strength of the strong force, and that extends over infinite distances but is dominant over macroscopic distances especially between aggregations of matter

called also gravitation, gravitational force

compare electromagnetism sense 2a, strong force, weak force

b

: acceleration of gravity

c

: specific gravity

Synonyms

• earnest
• earnestness
• graveness
• intentness
• serious-mindedness
• seriousness
• soberness
• sobriety
• solemnity
• solemnness
• staidness

Examples of gravity in a Sentence

the hospital waiting room was filled with the kind of gravity that inevitably accompanies worry

Recent Examples on the Web

During the 11-minute space flight, Perry unveiled the setlist for her Lifetimes Tour live from zero gravity — giving the internet further fodder to turn into memes, gifs and running jokes. —Glenn Rowley, Billboard, 2 May 2025

Like the force of gravity or the lump of uranium in a nuclear generator, the force of character works invisibly. —Carol Kinsey Goman, Ph.d., Forbes.com, 30 Apr. 2025

This means that the stars of a cluster should all be moving at more or less the same low velocity, which allows their mutual gravity to keep a hold of them for longer. —Keith Cooper, Space.com, 30 Apr. 2025

However, this hypothesis has been challenged by recent analyses of data from NASA's Dawn spacecraft, which orbited Vesta for 14 months back in 2011–12, both taking images of its surface and measuring its gravity field. —Tom Rogers, MSNBC Newsweek, 29 Apr. 2025

Word History

Etymology

borrowed from Middle French & Latin; Middle French gravité "heaviness, weight, dignity, seriousness," borrowed from Latin gravitāt-, gravitās "heaviness, weight, oppressiveness, severity, dignity, seriousness," from gravis "heavy, weighty, oppressive, serious" + -itāt-, -itās -ity — more at grave entry 2

First Known Use

1505, in the meaning defined at sense 1a

Phrases Containing gravity

• acceleration of gravity
• center of gravity
• gravity wave
• specific gravity
• zero gravity

Rhymes for gravity

• cavity
• concavity
• depravity
• intracavity
• microgravity
• supergravity

Kids Definition

gravity

noun

grav·​i·​ty ˈgrav-ət-ē 

plural gravities

1

a

: the quality or state of being dignified and proper

b

: the quality or state of being important or serious

2

: weight

3

a

: the gravitational attraction of the mass of a heavenly body (as the earth) for bodies at or near its surface

b

: a force of attraction between particles or bodies that occurs because of their mass, is stronger as mass is increased, and is weaker as the distance between the objects is increased

c

: acceleration of gravity

Etymology

from early French gravité or Latin gravitas, both meaning "the quality or state of being serious or dignified, the quality of being weighty," from Latin gravis "heavy, serious" — related to aggravate, grave entry 3, grieve

Medical Definition

gravity

noun

grav·​i·​ty ˈgrav-ət-ē 

plural gravities

1

: weight sense 1

—used chiefly in the phrase center of gravity

2

a

: the gravitational attraction of the mass of the earth, the moon, or a planet for bodies at or near its surface

broadly : gravitation

b

: acceleration of gravity

c

: specific gravity

gravity adjective