Definition of slither verb from the Oxford Advanced American Dictionary

     

    slither

     verb
    verb
    NAmE//ˈslɪðər//
     
    Verb Forms present simple I / you / we / they slither
     
    he / she / it slithers
     
    past simple slithered
     
    -ing form slithering
     
     
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  1. 1[intransitive] + adv./prep. to move somewhere in a smooth, controlled way, often close to the ground synonym glide The snake slithered away as we approached.
  2. 2+ adv./prep. to move somewhere without much control, for example because the ground is steep or wet We slithered down the slope to the road. They were slithering around on the ice.
See the Oxford Advanced Learner's Dictionary entry: slither