- 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+ 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.
NAmE//ˈslɪðər//Verb Forms present simple I / you / we / they slither
he / she / it slithers
past simple slithered
-ing form slithering