Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb insure
4 senses of insure
Sense 1
see, check, insure, see to it, ensure, control, ascertain, assure -- (be careful or certain to do something; make certain of something; "He verified that the valves were closed"; "See that the curtains are closed"; "control the quality of the product")
=> verify -- (confirm the truth of; "Please verify that the doors are closed"; "verify a claim")
Sense 2
guarantee, ensure, insure, assure, secure -- (make certain of; "This nest egg will ensure a nice retirement for us"; "Preparation will guarantee success!")
Sense 3
cover, insure, underwrite -- (protect by insurance; "The insurance won't cover this")
=> guarantee, warrant -- (stand behind and guarantee the quality, accuracy, or condition of; "The dealer warrants all the cars he sells"; "I warrant this information")
Sense 4
insure -- (take out insurance for)
=> protect -- (shield from danger, injury, destruction, or damage; "Weatherbeater protects your roof from the rain")