Synonyms: Trägheit, Inertie, Reaktionsträgheit, Untätigkeit, Energielosigkeit, Schlaffheit
| Part of speech | common noun |
|---|---|
| Gender | feminine |
| Singular | Plural | |
|---|---|---|
| Nominative | Langsamkeit | |
| Genitive | Langsamkeit | |
| Dative | Langsamkeit | |
| Accusative | Langsamkeit |
| Czech | netečnost; setrvačnost |
|---|---|
| Dutch | traagheid; inertie |
| English | indolence; inertia; inertness |
| Esperanto | inerteco |
| French | inertie |
| Greek | αδράνεια |
| Spanish | inercia |