verb
    
    -sures; -sured; -suring
    
    [+ obj] to buy insurance for (something, such as property or health)
    
    
    
    
    
    to provide insurance for (something, such as property or health)
    
    
    
    
    
    
    
    US :to make (something) sure, certain, or safe :ensure
    
    
    
    
    
    insure against
    
    [phrasal verb]
    
    insure against (something) :to make (something bad) less likely to happen usually by planning and preparing
    
    
    
    
    
    insure (someone) against (something) :to protect (someone) from (something bad)