| Definition/Meaning | Word/Phrase |
|---|---|
| chemical mixture of liquids inseparable by distillation | azeotropic mixture |
| (law) any property that is considered by law or custom as inseparable from an inheritance is inherited with that inheritance | heirloom |
| inseparable and essential | inherent , integral , intrinsic , part and parcel of |
| inseparable companion | shadow |