What does 'ill-advised' mean?

[Nenad11]

English Language Tests, Intermediate level

ESL/EFL Test #175 "Expressions with 'ill': 'ill at ease', 'ill-mannered'", question 10

The world has suffered more from the ravages of ......... marriages than from virginity.

(a) ill-advised
(b) ill-at-ease
(c) ill-gotten
(d) ill-willed

English Language Tests, Intermediate level

ESL/EFL Test #175 "Expressions with 'ill': 'ill at ease', 'ill-mannered'", answer 10

The world has suffered more from the ravages of ill-advised marriages than from virginity.

Correct answer: (a) ill-advised

Your answer was: incorrect
The world has suffered more from the ravages of ill-willed marriages than from virginity.
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Does iil advised mean to give somebody a wrong piece of tip,advice?

[Mister Micawber]

Well there may have been poor advice given, but we also use 'ill-advised' simply when it seems a poor idea after the fact.
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Native English teacher at Mister Micawber's

[Zhangbaixiang]

What is "ill advised" marriage? and what is virginity?
Thanks.
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I have a dream and I want to know the secret of time and universe.

[Beeesneees]

'ill-advised' marriage - marriages which turned out to be a poor idea (because the husband and wife ended up not getting on and possibly getting divorced.
virginity - the state of never having had sexual intercourse.
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Cheers m' dears!

[Zhangbaixiang]

Thanks for your answer. And by the way what meaning does the sentence want to imply?
Thanks.
_________________
I have a dream and I want to know the secret of time and universe.

[Beeesneees]

It implies that when people have marriage problems this is often the cause of problems for everyone around them too.
Being a virgin is not a problem.
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Cheers m' dears!