WordReference Collins English Usage © 2019
advice - advise
Advice /ɑd^vaɪs/ is a noun. If you give someone advice, you tell them what you think they should do.
Take my advice – stay away from him!
She promised to follow his advice.
Advice is an uncountable noun. Don't talk about ‘advices’ or ‘an advice’. However, you can talk about a piece of advice.
What's the best piece of advice you've ever been given?
Could I give you one last piece of advice?
Advise /ɑd^vaɪz/ is a verb. If you advise someone to do something, you say that you think they should do it.
He advised her to see a doctor.
He advised me not to buy it.
If you say to someone ‘I advise you to...’, you are telling them that you think they should do it.
The operation will be tiring so I advise you to get some rest.
Be careful
Don't use ‘advise’ without an object. Don't say, for example, ‘He advised to leave as quickly as possible’. If you don't want to say who is receiving the advice, you say ‘His advice was to leave as quickly as possible’.
Diego's advice was to wait until the morning.
'advice' also found in these entries:

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