for ‧ ti ‧ fy /ˈfɔːtəfaɪ, ˈfɔːtɪfaɪ $ ˈfɔːr-/ BrE AmE verb ( past tense and past participle fortified , present participle fortifying , third person singular fortifies ) [transitive]
[ Date: 1400-1500 ; Language: French ; Origin: fortifier , from Latin fortis 'strong' ]
1 . to build towers, walls etc around an area or city in order to defend it:
The town was heavily fortified.
2 . to encourage an attitude or feeling and make it stronger SYN strengthen :
Her position was fortified by election successes and economic recovery.
3 . written to make someone feel physically or mentally stronger
fortify yourself (with something)
We fortified ourselves with a breakfast of bacon and eggs.
4 . [usually passive] to make food or drinks more healthy by adding ↑ vitamin s to them:
fortified breakfast cereals
fortify something with something
foods fortified with vitamin B