- 1fortify something (against somebody/something) to make a place more able to resist attack, especially by building high walls a fortified town They fortified the area against attack.
- 2 fortify somebody/yourself (against somebody/something) to make someone/yourself feel stronger, braver, etc. He fortified himself against the cold with a hot drink. Although fortified by her election success, the new governor remains cautious in her policies.
- 3to make a feeling or an attitude stronger The news merely fortified their determination.
- 4fortify something (with something) to increase the strength or quality of food or drink by adding something to it cereal fortified with extra vitamins
NAmE//ˈfɔrt̮əˌfaɪ//Verb Forms present simple I / you / we / they fortify
he / she / it fortifies
past simple fortified
-ing form fortifying