Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “ill-conceived”


adjective     /ˌɪl.kənˈsiːvd/
badly planned and unwise: The whole project was ill-conceived.Stupid and sillyOf unsound mindNot showing careful thought
(Definition of ill-conceived adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of ill-conceived

Definitions of “ill-conceived” in other dictionaries

Word of the Day


a situation in which two people are friends

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More