ill-formed

[ il-fawrmd ]
/ ˈɪlˈfɔrmd /

adjective

badly formed.
Linguistics. not conforming to the rules of a given language; ungrammatical (opposed to well-formed).

Origin of ill-formed

First recorded in 1665–75

Related forms

ill-form·ed·ness [il-fawr-mid-nis, -fawrmd-] /ˈɪlˈfɔr mɪd nɪs, -ˈfɔrmd-/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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