not right or appropriate for a particular person, purpose, or occasion He was wearing shoes that were totally unsuitable for climbing. They considered him unsuitable for their daughter. These roads are unsuitable for use by heavy vehicles. opposite suitableadjectivejump to other results
NAmE//ʌnˈsut̮əbl//unsuitable (for somebody/something)
unsuitabilityjump to other results
unsuitablyjump to other results
NAmE//ʌnˈsut̮əbli//adverb They were unsuitably dressed for the occasion.