/ slɪŋk; NAmE / verb
( slunk , slunk / slʌŋk; NAmE /) [ v + adv. / prep. ] to move somewhere very quietly and slowly, especially because you are ashamed or do not want to be seen
SYN creep :
John was trying to slink into the house by the back door.
The dog howled and slunk away.
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WORD ORIGIN
Old English slincan crawl, creep ; compare with Middle Dutch and Middle Low German slinken subside, sink.