#1 gravity n. [gravitation, gravitational attraction, gravitational force] (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 pr. wn #2 gravity n. [graveness, sobriety, soberness, somberness, sombreness] a manner that is serious and solemn. wn #3 gravity n. [solemnity] a solemn and dignified feeling. wn