verb
insure
Make certain that something happens.
Careful planning helps insure that the project stays on schedule.
Etymology
Insure was formed around sure, with a prefix meaning to make. This sense retains the general action of making an outcome certain, also commonly spelled ensure.
More examples
- These daily checks insure that the equipment works properly.
- Save a backup copy to insure that your work is not lost.
- The extra practice insured her success on the driving test.
Forms
insure · insures · insured · insuring