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Ruler vs Authoritative - What's the difference?

ruler | authoritative |

As a noun ruler

is a (usually rigid), flat, rectangular measuring or drawing device with graduations in units of measurement; a rule; a straightedge with markings; a measure.

As an adjective authoritative is

arising or originating from a figure of authority.

ruler

English

(ruler)

Noun

(en noun)
  • A (usually rigid), flat, rectangular measuring or drawing device with graduations in units of measurement; a rule; a straightedge with markings; a measure.
  • A person who rules or governs; a person who exercises dominion or controlling power over others.

    • Usage notes

    In American English, the word "ruler" is often used specifically to refer to such a measuring device that is one foot (12 inches) long. Used in contrast with "yardstick" and "meter stick."

    Synonyms

    * (measuring instrument) rule.

    Hyponyms

    * duke * emperor * Highness * king * queen * grand duke * prince * princess * monarch * tyrant * See also

    External links

    * * * (commonslite) 1000 English basic words

    authoritative

    English

    Adjective

    (en adjective)
  • Arising or originating from a figure of authority
    • The authoritative rules in this school come not from the headmaster but from the aged matron.
  • 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.
  • 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