fortify

Definitions

To strengthen a place with defensive works so as to protect it against attack.

To increase the effectiveness or strength of something, especially by adding extra ingredients or components.

To provide emotional or mental encouragement to someone.

Examples

The soldiers worked through the night to fortify the castle walls against the impending attack.

Many breakfast cereals are fortified with essential vitamins and minerals to improve public health.

She decided to fortify her argument with additional data and expert testimony.

Synonyms

strengthen reinforce bolster buttress armor secure invigorate

Antonyms

weaken undermine debilitate enfeeble vulnerable damage impair