sounder Antonyms

more illegal less licit less legit less legally binding less legal less lawful less kosher less irrefutable less genuine less formal less factual less official less permissible less rational more forbidden more disturbed more dishonest more barred more banned less upright less substantial less stable less recognized less recognised less effectual less credible less valid more casual less effective less accepted less established less solid more unstable more erratic less proper less certifiable less correct less legitimate less sensible less canonical less binding less authoritative less authentic less allowable less admissible less accredited less acceptable less veritable less undisputed falser