rightly or pleasingly formed: a well-formed contour.
Linguistics. (of an utterance) conforming to the rules of a language; grammatical (opposed to ill-formed).

Origin of well-formed

First recorded in 1510–20
Related formswell-form·ed·ness [wel-fawr-mid-nis, -fawrmd-] /ˈwɛlˈfɔr mɪd nɪs, -ˈfɔrmd-/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for well-formed

Contemporary Examples of well-formed

Historical Examples of well-formed

  • And the body is fairest which grows up straight and well-formed from the time of birth.



  • This one should be well matured, at least at the base, and should have well-formed eyes.

  • His face was well-formed, except that the nose was too large and too prominently aquiline.


    Henry Morford

  • When we got to Carlton, however, there came a hitch in my well-formed arrangements.

  • Maud, the eldest girl, had very straight, well-formed features.

    A Modern Tomboy

    L. T. Meade

British Dictionary definitions for well-formed



logic linguistics (of a formula, expression, etc) constructed in accordance with the syntactic rules of a particular system; grammatically correct
Derived Formswell-formedness, noun
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