authoritative

English

Etymology

From authorit(y) + -ative.

Pronunciation

  • (UK) IPA(key): /ɔːˈθɒɹɪˌteɪtɪv/, /ɔːˈθɒɹɪtətɪv/
  • (US) IPA(key): /əˈθɔɹɪˌteɪtɪv/, /ɔˈθɔɹɪˌteɪtɪv/, /əˈθɑɹɪˌteɪtɪv/, /ɔˈθɑɹɪˌteɪtɪv/, /əˈθɔɹɪtətɪv/, /ɔˈθɔɹɪtətɪv/, /əˈθɑɹɪtətɪv/, /ɔˈθɑɹɪtətɪv/

Adjective

authoritative (comparative more authoritative, superlative most authoritative)

  1. Arising or originating from a figure of authority
    The authoritative rules in this school come not from the headmaster but from the aged matron.
  2. Highly accurate or definitive; treated or worthy of treatment as a scholarly authority
    This book is the world's most authoritative guide to insect breeding habits.
  3. Having a commanding style.
    He instructed us in that booming, authoritative voice of his.

Synonyms

Derived terms

Translations

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