authoritative

B2
Pronunciation
/ɔːˈθɒɹɪtətɪv/
/ɔˈθɑɹɪtətɪv/
Adjective
3 definition(s)
1 Definition

Arising or originating from a figure of authority

Example Sentences
  • The authoritative rules in this school come not from the headmaster but from the aged matron.
2 Definition

Highly accurate or definitive; treated or worthy of treatment as a scholarly authority

Example Sentences
  • This book is the world's most authoritative guide to insect breeding habits.
3 Definition

Having a commanding style.

Example Sentences
  • He instructed us in that booming, authoritative voice of his.