right or appropriate for a particular purpose or occasion a suitable candidate suitable for something/somebody This programme is not suitable for children. a suitable place for a picnic suitable to do something I don't have anything suitable to wear for the party. Would now be a suitable moment to discuss my report? opposite unsuitable Word Origin late 16th cent.: from the verb suit, on the pattern of agreeable.Extra examples The book’s format makes it suitable for self-study. The exercise-with-answer-key format makes the book suitable for self-study. The shampoo is suitable for everyday use. The walk is suitable for all the family. There are many other training courses that would be equally suitable. These properties are considered especially suitable for older people. This building is not really suitable for wheelchair users. conditions suitable to their development Do you think he’s suitable as a babysitter for such young kids? I don’t have anything suitable to wear for the party. I don’t think he’s a suitable partner for her.