verb

move slowly and carefully in order to avoid being heard or noticed.

he crept downstairs, hardly making any noise

crawl,move on all fours,move on hands and knees,pull oneself,inch,edge,slither,slide,squirm,wriggle,writhe,worm,worm one’s way,insinuate oneself,sneak,steal,slip,slink,sidle,skulk,pad,prowl,tiptoe,pussyfoot,soft-shoe,tread warily,move stealthily,move furtively,move unnoticed,walk quietly

noun

a detestable person.

I thought he was a nasty little creep

rogue,villain,wretch,reprobate,beast,pig,swine,rat,bastard,louse,snake,snake in the grass,skunk,dog,weasel,lowlife,scumbag,heel,stinker,stinkpot,son of a bitch,SOB,nasty piece of work,scrote,blighter,bad lot,spalpeen,sleeveen,rat fink,fink,dingo,hound,bounder,rotter,cad,scoundrel,blackguard,dastard,vagabond,knave,varlet,cur,wastrel,shit