English Grammar Rule - Assure, Ensure, Insure

Today's English Grammar Rule discusses the three similar words assure, ensure, and insure.

ASSURE means to give confidence; ENSURE means to confirm something; and INSURE means to obtain an insurance policy. See the sentences below that exemplify the proper usage of each word.


ASSURE: The student assured me that he would not be late for his tutoring session.

ENSURE: I called to ensure that the caterers would arrive by noon.

INSURE: Both automobiles are insured for liability only.

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