Словарь

viable

Прилагательное

Пример: “The proposal is viable only if costs are reduced.”

unenviable

Прилагательное

Пример: “She was in the unenviable position of choosing who to dismiss.”

Синонимы: unpleasant, awkward

Антонимы: enviable, desirable

commercially

Наречие

Пример: “The product is strong technically but not commercially viable yet.”

Синонимы: financially

sustainable

Прилагательное

Пример: “We need a sustainable model, not short-term fixes.”

Синонимы: viable

Антонимы: unsustainable

unsustainable

Прилагательное

Пример: “The current system is unsustainable.”

Синонимы: unviable

Антонимы: sustainable