[adjective]Firefighters have to wear protective clothing to stop them getting burned.She is charming, stylish, sensuous and fiercely protective of (= wishing to protect) the man she married 29 years ago.On the other hand it's easy to be too protective towards/of your children.If someone is in protective custody they are kept in a safe place by the police, sometimes prison, for their own safety.
Meaning of PROTECTIVE in English
Cambridge English vocab. Кембриджский английский словарь. 2012