grav ‧ i ‧ ty /ˈɡrævəti, ˈɡrævɪti/ BrE AmE noun [uncountable]
[ Date: 1400-1500 ; Language: French ; Origin: gravité , from Latin gravitas , from gravis ; ⇨ ↑ grave 1 ]
1 . technical the force that causes something to fall to the ground or to be attracted to another ↑ planet ⇨ gravitation :
the force of gravity
2 . formal the extreme and worrying seriousness of a situation
gravity of
I could not hide from her the gravity of the situation.
The penalties should be proportionate to the gravity of the offence.
3 . an extremely serious way of behaving or speaking:
The Consul spoke slowly and with great gravity.
⇨ ↑ centre of gravity