'Insure' definitions:

Definition of 'insure'

From: WordNet
verb
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" [syn: see, check, insure, see to it, ensure, control, ascertain, assure]
verb
Make certain of; "This nest egg will ensure a nice retirement for us"; "Preparation will guarantee success!" [syn: guarantee, ensure, insure, assure, secure]
verb
Protect by insurance; "The insurance won't cover this" [syn: cover, insure, underwrite]
verb
Take out insurance for

Definition of 'Insure'

From: GCIDE
  • Insure \In"sure\, v. t. [imp. & p. p. Insured; p. pr. & vb. n. Insuring.] [OE. ensuren, prob. for assuren, by a change of prefix. See 1st In-, and Sure, and cf. Assure, Ensure.] [Written also ensure.] [1913 Webster]
  • 1. To make sure or secure; as, to insure safety to any one. [1913 Webster]
  • 2. Specifically, to secure against a loss by a contingent event, on certain stipulated conditions, or at a given rate or premium; to give or to take an insurance on or for; as, a merchant insures his ship or its cargo, or both, against the dangers of the sea; goods and buildings are insured against fire or water; persons are insured against sickness, accident, or death; and sometimes hazardous debts are insured. [1913 Webster]

Definition of 'Insure'

From: GCIDE
  • Insure \In*sure"\, v. i. To underwrite; to make insurance; as, a company insures at three per cent. [1913 Webster]

Synonyms of 'insure'

From: Moby Thesaurus