- protected or strengthened against attack; provided with defensive military works:Jim’s platoon was the reserve force for his company's coordinated assault on a heavily fortified hill.
- given strength or vigor, as by food or drink:She rejoined her companions, toting snacks and goodies in her pack, and the newly fortified hikers continued on their way the next day.
- having one or more ingredients added, as vitamins, minerals, etc., to increase nutritional value:The fortified flour helps reduce anemia and enhance micronutrient uptake.
- (of wine or the like) having extra alcohol added:Marsala, a fortified wine sweetened with concentrated grape juice, comes from Sicily.
- strengthened mentally or morally:From this new perspective, he looked upon the impossible task with fortified courage.
- having ingredients, elements, or features added in order to increase effectiveness or withstand strain or wear:The new, fortified design standards aim at strengthening buildings and infrastructure against high winds, flooding, and fire.
- the simple past tense and past participle of fortify.