balloon Antonyms

come down polymath de-escalate boffin brainiac mahatma man of letters ninja taper off downsize booklover maven whizz wiz sobersides einstein mastermind rocket scientist book lover brains egghead smarty pants wise person critical thinker brilliant person focused person mental giant organized person serious person serious-minded person wiseman walking encyclopedia alpha geek brainbox bright spark clever clogs highbrow idiot savant peter out walking dictionary sober-minded person abate contracting deprive derogation detrain diminish dwindle emit expert