different between authoritative vs arbitrary

English

Etymology

From authorit(y) +? -ative.

Pronunciation

• (UK) IPA^(key): /????????te?t?v/, /???????t?t?v/
• (US) IPA^(key): /???????te?t?v/, /???????te?t?v/, /???????te?t?v/, /???????te?t?v/, /??????t?t?v/, /??????t?t?v/, /??????t?t?v/, /??????t?t?v/

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

• (highly accurate): definitive; precise, proper
• (from a position of authority): of record

Derived terms

• authoritatively
• authoritativeness

Translations

English

Etymology

From Middle English arbitrarie, Latin arbitr?rius (“arbitrary, uncertain”), from arbiter (“witness, on-looker, listener, judge, overseer”).

Pronunciation

• (Received Pronunciation) IPA^(key): /???.b?.t??.?i/, /???.b?.t?i/
• (US, Canada) IPA^(key): /???.b?.t??(?).?i/

Adjective

arbitrary (comparative more arbitrary, superlative most arbitrary)

1. (usually of a decision) Based on individual discretion or judgment; not based on any objective distinction, perhaps even made at random.

2. Determined by impulse rather than reason; heavy-handed.
   • 1937/1938, Albert Einstein, letter to Max Born

   • 1906, Gelett Burgess, Are You a Bromide?

3. (mathematics) Any, out of all that are possible.

4. Determined by independent arbiter.
5. (linguistics) Not representative or symbolic; not iconic.

Derived terms

Related terms

Translations

Noun

arbitrary (plural arbitraries)

1. Anything arbitrary, such as an arithmetical value or a fee.

Further reading

• arbitrary in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• arbitrary in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• arbitrariness on Wikipedia.Wikipedia