fortify FAWR-tuh-fahy verb WS #19

to strengthen or secure a place with defensive works so as to protect it against attack; to give physical strength or courage to; to add ingredients to food or drink to increase its nutritional value

1. The army worked to fortify the castle walls before the enemy siege began.
2. She drank coffee to fortify herself before the difficult presentation.
3. Many breakfast cereals are fortified with essential vitamins and minerals.
4. Regular exercise helps fortify the immune system against illness.
5. The general decided to fortify the border with additional troops and barriers.