[uhn-der-stoo d]


simple past tense and past participle of understand.


agreed upon; known in advance; assented to: It is the understood policy of this establishment to limit credit.
implied but not stated; left unexpressed: The understood meaning of a danger sign is “Do not approach.”

Related formshalf-un·der·stood, adjectivenon·un·der·stood, adjectiveself-un·der·stood, adjectivewell-un·der·stood, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for well-understood

Contemporary Examples of well-understood

  • Nation-hood is at best an abstraction and, while the use of force is well-understood, rules limiting its use are not.

    The Daily Beast logo
    Confirmation: The Easy Part

    Ken Allard

    June 29, 2010

  • This critical moment would come within a well-understood sequence of events.

    The Daily Beast logo
    Flight 447's Deadly Scenario

    Clive Irving

    June 11, 2009

Historical Examples of well-understood

British Dictionary definitions for well-understood


adjective (well understood when postpositive)

widely or sufficiently understood or comprehended



the past tense and past participle of understand


implied or inferred
taken for granted; assumed
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012