/ Thesaurus / H Synonyms of hubble law Find synonyms for: Noun1. Hubble's law, Hubble law, law, law of natureusage: (astronomy) the generalization that the speed of recession of distant galaxies (the red shift) is proportional to their distance from the observerWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language