How to say "effective, efficient" in Russian?

[Effektivnyy]

"effective, efficient" is Эффективный in Russian.

Эффективный means "effective, efficient" in English.

Word #2535 of 6,000 by frequency in Russian.

Он предложил эффективный метод обучения детей.

He proposed an effective method for teaching children.

• Вероятность, probability
• Актриса, Actress
• Рисовать, to draw, to paint
• Отвезти, to take/drive (someone/something somewhere)
• Подпись, signature
• Добыча, extraction, mining, prey, loot
• Восстановить, to restore, to rebuild, to recover
• Неизвестно, unknown, it is not known