The noun gravity means the weight or seriousness of a condition. It also means the physical force that attracts toward any physical body that has mass such as the earth. It is the force that pulls us on earth.
Synonyms are ablate, critical, stiff, or attraction.
The word origins from Old French (13th century) gravité meaning “seriousness, thoughtfulness” and directly from Latin gravitatem (nominative gravitas) meaning “weight, heaviness, pressure” and gravis meaning “heavy”.
The gravity of his sin is heavy enough to sentence him to death.
The gravity of his voice frightened the children.
Gravity is what pulls us together.