Power Thesaurus. 1969. gibberish thesaurus http://www.powerthesaurus.org/gibberish/antonyms (accessed April 15, 2017).
grav & gravi. These ROOT-WORDS are GRAV, GRAVI & GRAVITO meaning HEAVY & WEIGHTY. It comes from the Latin gravis which means HEAVY. It is also necessary to avoid confusion with words that are based on the Root GRAVEL meaning PEBBLY GROUND. You will have a weighty decision to make when you encounter words with GRAV in them; your dictionary will help you! 1. Grave : GRAV e (grave) adj.
gravÂ·iÂ·ty. 1. The attraction that objects have for each other merely because they have mass and occupy space. Gravity is the weakest of the four basic forces in nature, being weaker than the strong nuclear force, the electromagnetic force, and the weak nuclear force.