'ill advice' is a correct and usable phrase in written English.
You can use it to refer to advice that is misguided, wrong, harmful, or untrustworthy. For example, "I regret taking her ill advice to quit my job without another one lined up."
"The submissions are a farrago of ill advice and misguided, inept, controversial and confused argots," he wrote.
"The submissions are a farrago of ill advice and misguided, inept, controversial and confused argots," added the judge, who gave no specific examples.
"The submissions are a farrago of ill advice and misguided, inept, controversial and confused argots," he wrote in language that reflected his reputation for being one of the most thoughtful and irascible personalities on the bench.
Thankfully, whenever you realized you'd made a wrong turn and offered ill-advice, you always had the grace to pick up that noodle and flagellate yourself.
No place in world for wussies giving ill advised advice with no facts to back it up.
If your child has been ill our advice would be to keep them away from school/nursery until they too have been clear of symptoms for 48 hours.
The April 30 editorial "Ill-Considered Advice on Syria" correctly notes that policy options to curb violence in Syria aren't easy or improving.
It is worrying that he is providing this sort of ill-informed advice on energy policy and climate risk to the highest levels of government".
It was his insistence on taking a grand, cumbersome wagon that fatefully slowed the party, and it was his ill-considered advice about the shortcut that added further to the expedition's travails.
The sense that the cathedral panicked, took ill-judged advice and did not think through either the consequences of its actions or how these would appear to the outside world is strong.
