I.pioneer [ingl brit pʌɪəˈnɪə, ingl am ˌpaɪəˈnɪr] SOST (all contexts)
- novateur/-trice
II.pioneer [ingl brit pʌɪəˈnɪə, ingl am ˌpaɪəˈnɪr] VB vb trans
pioneer invention, technique:
III.pioneering AGG
- pioneering scientist, socialist, film-maker, scheme, study
- innovateur/-trice