ex ‧ traor ‧ di ‧ na ‧ ri ‧ ly /ɪkˈstrɔːd ə n ə rəli, ɪkˈstrɔːd ə n ə rɪli $ ɪkˌstrɔːrdnˈerəli, ˌekstrəˈɔːrdn-erəli/ BrE AmE adverb especially British English
1 . [+ adjective/adverb] extremely:
We were extraordinarily lucky.
2 . in a way that seems strange:
Why had James behaved so extraordinarily?