1. Carefully verify or confirm something
   "insure that all doors are locked before leaving";
   - see, check, ensure, ascertain, make sure, make certain
    
2. Make certain in the future
   "They insured the success of the project by careful planning";
   - guarantee, ensure, assure, secure
    
3. Protect by insurance
   "They insured their house against flood damage";
   - cover, underwrite
    
4. Take out insurance for
   "They insured their new home against fire and theft"; "The company insured all its employees with health coverage"

Sounds like: ensure, inshor

Derived forms: insured, insuring, insures

Type of: guarantee, protect, verify, warrant

Encyclopedia: Insure