(physics) the force of attraction between all masses in the universe; especially the attraction of the earth's mass for bodies near its surface
"the more remote the body the less the gravity"
"the gravitation between two bodies is proportional to the product of their masses and inversely proportional to the square of the distance between them"
"gravitation cannot be held responsible for people falling in love"
a manner that is serious and solemn
"She listened to the bad news with grave gravity."
The state or condition of having weight; weight; heaviness.
"The sudden loss of gravity made the astronauts feel as though they were floating in a cloudless void."
In plain English: Gravity is the force that pulls everything toward the center of the Earth, keeping us grounded and making things fall down when they drop.
"The heavy box was difficult to lift due to its gravity."
Usage: In everyday conversation, gravity refers to the force that pulls objects toward Earth's center rather than their physical heft. Use this term when discussing scientific phenomena like falling motion instead of describing how heavy something feels in your hands.
The word gravity comes from the Latin gravitās, which originally meant heaviness or weight. It is derived from the root for heavy and was later adopted into English with the meaning of seriousness or physical force.