n. 25B6; verb
Tim crept out of the house : TIPTOE, steal, sneak, slip, slink, sidle, pad, edge, inch; skulk, prowl.
(informal) they're always creeping to the boss : GROVEL TO, ingratiate oneself with, curry favour with, toady to, truckle to, kowtow to, bow and scrape to, pander to, fawn on/over, make up to; informal crawl to, suck up to, lick someone's boots, butter up.