неподвижност означава в английски

immobility [immobilities]▼(the quality of not moving)
noun
[UK: ˌɪ.mə.ˈbɪ.lɪ.ti] [US: ˌɪmo.ˈbɪ.lə.ti]

rest [rests]▼(physics: absence of motion)
noun
[UK: rest] [US: ˈrest]

rigidity [rigidities]▼(The quality or state of being rigid)
noun
[UK: rɪ.ˈdʒɪ.dɪ.ti] [US: rɪ.ˈdʒɪ.də.ti]