English adjective: authoritative | |||
1. | authoritative having authority or ascendancy or influence | ||
Samples | An important official. The captain's authoritative manner. | ||
Synonyms | important | ||
Similar | influential | ||
Antonyms | uninfluential | ||
2. | authoritative of recognized authority or excellence | ||
Samples | The definitive work on Greece. Classical methods of navigation. | ||
Synonyms | classic, classical, definitive | ||
Similar | standard | ||
Antonyms | nonstandard | ||
3. | authoritative sanctioned by established authority | ||
Samples | An authoritative communique. The authorized biography. | ||
Synonyms | authorised, authorized | ||
Similar | official | ||
Antonyms | unofficial | ||