: an opinion or suggestion about what someone should do
My advice is to sell your old car and get a new one.
Take my advice and sell your old car.
He needs advice from an expert.
She's been giving him some expert advice about investing.
“May I ask your advice about/on something?” “Certainly. I'm always happy to give advice when asked for it.”
Let me offer you a bit/piece/word of advice. = Let me offer you some advice.
I took/followed my doctor's advice and lost some weight. = I lost some weight on the advice of my doctor.