← BackshareGuessinadvisable/ˌɪnədˈvaɪzəbəl/adjectiveNot recommended; unwise or likely to cause problems.Spending more than you earn is financially inadvisable.The doctor said it would be inadvisable to stop taking the medicine early.It is inadvisable to go hiking in a thunderstorm.SynonymsunwisefoolishimprudentAntonymsadvisablewise