in·sure 
/ɪnˈʃɚ/ verb
in·sures; in·sured; in·sur·ing /ɪnˈʃɚ/ verb [+ obj] 1 a : to buy insurance for (something, such as property or health)
▪ He insured the boat. ▪ We insured our house against fire and flood damage.
b : to provide insurance for (something, such as property or health)
▪ I found a company that will insure my car for less than I've been paying. ▪ This policy will insure your car against theft. ; also : to provide (someone) with insurance
▪ She had difficulty finding a company that would insure her. 2 US : to make (something) sure, certain, or safe : ensure
▪ They take great care to insure the safety and security of their home. ▪ We hope that careful planning will insure success.
▪ He insured the boat. ▪ We insured our house against fire and flood damage.
b : to provide insurance for (something, such as property or health)
▪ I found a company that will insure my car for less than I've been paying. ▪ This policy will insure your car against theft. ; also : to provide (someone) with insurance
▪ She had difficulty finding a company that would insure her.
▪ They take great care to insure the safety and security of their home. ▪ We hope that careful planning will insure success.
insure against [phrasal verb] 1 insure against (something) : to make (something bad) less likely to happen usually by planning and preparing
▪ Doctors recommend exercising to insure against health problems. ▪ Despite all of our planning, we can't insure against bad weather. 2 insure (someone) against (something) : to protect (someone) from (something bad)
▪ We can't insure our children against all life's problems.
▪ Doctors recommend exercising to insure against health problems. ▪ Despite all of our planning, we can't insure against bad weather.
▪ We can't insure our children against all life's problems.
