unadvised

[ uhn-uh d-vahyzd ]
/ ˌʌn ədˈvaɪzd /

adjective

without advice or counsel; uninformed: a defendant unadvised of her legal rights.
imprudent; rash; ill-advised: He purchased a business with unadvised haste.

Origin of unadvised

First recorded in 1300–50, unadvised is from the Middle English word onavised. See un-1, advised
Related formsun·ad·vis·ed·ly [uhn-uh d-vahy-zid-lee] /ˌʌn ədˈvaɪ zɪd li/, adverbun·ad·vis·ed·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for unadvised

unadvised

/ (ˌʌnədˈvaɪzd) /

adjective

rash or unwise
not having received advice
Derived Formsunadvisedly (ˌʌnədˈvaɪzɪdlɪ), adverbunadvisedness, 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