As nouns the difference between antigram and antigrav
is that antigram is one of a pair of anagrams with opposite meanings while antigrav is (science fiction) antigravity, or a device that counters gravity.
antigram
English
Noun
(
en noun)
One of a pair of anagrams with opposite meanings.
- "United" and "untied" are antigrams .
antigrav
English
Noun
(science fiction) antigravity, or a device that counters gravity