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Borrowed from Latin securus (of persons, free from care, quiet, easy; in a bad sense, careless, reckless; of things, tranquil, also free from danger, safe, secure), from se- (without) + cura (care); see cure. Doublet of sure and the now obsolete or dialectal sicker (certain, safe).



secure (comparative securer or more secure, superlative securest or most secure)

  1. Free from attack or danger; protected.
  2. Free from the danger of theft; safe.
  3. Free from the risk of eavesdropping, interception or discovery; secret.
  4. Free from anxiety or doubt; unafraid.
    • (Can we date this quote?) Dryden
      But thou, secure of soul, unbent with woes.
  5. Firm and not likely to fail; stable.
  6. Free from the risk of financial loss; reliable.
  7. Confident in opinion; not entertaining, or not having reason to entertain, doubt; certain; sure; commonly used with of.
    secure of a welcome
    • (Can we date this quote?) John Milton
      Confidence then bore thee on, secure / Either to meet no danger, or to find / Matter of glorious trial.
  8. Overconfident; incautious; careless.
    (Can we find and add a quotation of Macaulay to this entry?)



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secure (third-person singular simple present secures, present participle securing, simple past and past participle secured)

  1. To make safe; to relieve from apprehensions of, or exposure to, danger; to guard; to protect.
    • (Can we date this quote?) Dryden
      I spread a cloud before the victor's sight, / Sustained the vanquished, and secured his flight.
  2. To put beyond hazard of losing or of not receiving; to make certain; to assure; frequently with against or from, or formerly with of.
    to secure a creditor against loss; to secure a debt by a mortgage
    • (Can we date this quote?) T. Dick
      It secures its possessor of eternal happiness.
  3. To make fast; to close or confine effectually; to render incapable of getting loose or escaping.
    to secure a prisoner; to secure a door, or the hatches of a ship
  4. To get possession of; to make oneself secure of; to acquire certainly.
    to secure an estate
    • 2014, Jamie Jackson, "Ángel di María says Manchester United were the ‘only club’ after Real", The Guardian, 26 August 2014:
      With the Argentinian secured United will step up their attempt to sign a midfielder and, possibly, a defender in the closing days of the transfer window. Juventus’s Arturo Vidal, Milan’s Nigel de Jong and Ajax’s Daley Blind, who is also a left-sided defensive player, are potential targets.
    • 1911, Flight, page 766:
      [Captain] was able to secure some good photographs of the fortress.
    • 1918, W. B. Maxwell, chapter 3, in The Mirror and the Lamp:
      One saint's day in mid-term a certain newly appointed suffragan-bishop came to the school chapel, and there preached on “The Inner Life.”  He at once secured attention by his informal method, and when presently the coughing of Jarvis […] interrupted the sermon, he altogether captivated his audience with a remark about cough lozenges being cheap and easily procurable.

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  1. Feminine plural form of securo




  1. ablative singular of secūris



Alternative formsEdit


From Latin secūris, secūrem. Compare Italian scure.


secure f (plural securi)

  1. axe, hatchet
  2. battle axe, halberd