Definition of informatory in English:

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Pronunciation: /ɪnˈfɔːmət(ə)ri/

Entry from British & World English dictionary


1Giving information; informative.
Example sentences
  • Many motorists do not know the differences between mandatory, cautionary and informatory traffic signs.
  • All the three types of road and traffic signs are included under three heads such as mandatory, warning and informatory towards the end.
  • Our institution produces informatory notes on engineering related subjects as the need arises.
1.1 Bridge (Of a double) intended to convey information to one’s partner rather than to score a penalty.
Example sentences
  • There are many informatory doubles that anticipate a bid from partner.
  • If there is no intervening bid, you must bid your longest unbid suit unless you can convert the informatory double to a penalty double.


Late Middle English (but rare before the late 19th century): from Latin informat- 'shaped, described' (from the verb informare) + -ory2.

Words that rhyme with informatory

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