secure
Verbsecures, securing, secured
Formssecures, securing, secured
- 1Protected from danger, attack, or theft; safe.
The fortress remained secure throughout the long siege.
The new locks and alarm system made the warehouse far more secure against break-ins.
UsageUsually secure against or from a threat: secure against break-ins.
- 2To get possession of something; to obtain or acquire it with certainty.
Volunteers worked hard to secure funding for the shelter.
The company finally secured exclusive rights to the new design.
UsageOften for something won with effort: secure funding, secure a deal, secure a place in the final.
Similarobtain, acquire, get, gain, win
Note
The verb usually marks something obtained with effort, often when getting it was uncertain or contested. Its objects range widely, from an estate or good photographs of a fortress to a footballer signed before the transfer window closes, or the attention a preacher secures in W. B. Maxwell's The Mirror and the Lamp (1918). It sits close to the "make certain" meaning, since to secure a thing is to make it certainly yours.
- 3
- 4
- 5To put beyond the hazard of losing or not receiving; to make certain or assure.
A written partnership agreement will secure your share of the profits if the business is ever sold.
The new amendment secured every citizen's right to a trial by jury.
UsageThe thing made certain is the object: secure your share of the profits, secure a right; against names the risk: secure a creditor against loss.
Similarensure, assure, guarantee
Oppositejeopardize
Note
In finance, this extends to backing an obligation with property, as when you secure a debt by a mortgage. An older pattern put the gain after of. Thomas Dick wrote in The Philosophy of Religion 'It secures its possessor of eternal happiness', a construction that now reads as dated.
- 6Protected against being overheard, intercepted, or discovered, and so kept secret.
Diplomats exchanged messages over a secure channel.
The app promises secure messaging that no one else can read.
Similarencrypted, private, confidential
Oppositeinsecure, unencrypted, open
- 7
- 8Free from anxiety or doubt; emotionally calm and unafraid.
She feels secure in her marriage after years of trust.
A stable home life helps children grow up feeling secure.
UsageMost often feel secure, or be secure in something: secure in her marriage.
Similarsafe, confident, settled
Oppositeinsecure, anxious, afraid
Note
Here the word stands closest to its Latin parent: sēcūrus, from sē- 'without' and cūra 'care', the same cūra behind cure. To be secure, at root, is to be without care. Older writers let it govern a phrase or a clause, as in Dryden's 'secure of soul' or Elizabeth Gaskell's 'secure that we could do no mischief'.
- 9To back a loan or debt with property that the lender has a right to seize if the borrower fails to repay.
Small businesses often secure bank loans with their equipment or inventory.
The bonds were secured by the company's warehouses, which bondholders could claim if it defaulted.
UsageWhat backs the debt follows by or with: a loan secured by the house. A secured loan has property behind it.
Similarback
Note
Banking has its own way to secure a loan, and it can clash with the "obtain" meaning: a business that secures a loan may have won it or pledged property against it.
Less common meanings
- 10Confident in one's opinion; certain and free from doubt; often used with 'in'.
Having checked every figure twice, the analyst felt secure in her conclusions and answered the board's questions calmly.
Critics were secure in their judgment of the painting.
UsageToday usually secure in a belief or judgment; secure of something sounds old-fashioned.
Similarconfident, sure, certain, convinced
Oppositeunsure, uncertain, doubtful
Note
Certainty is where secure sits nearest its doublet sure, a word descended from the same Latin source. Milton stretches it to an infinitive in Paradise Lost (1667): 'secure / Either to meet no danger, or to find / Matter of glorious trial.' That construction now sounds literary, and in everyday prose sure or certain does the job.
- 11Of an investment, income, job or the like, free from the risk of financial loss; dependable and reliable.
Retirees often prefer secure investments over risky ones.
The pension offers a secure income for life.
Similarsafe, reliable, dependable, stable, sound
Oppositerisky, precarious, unreliable, unstable
- 12Certain to be achieved or gained; regarded as assured.
Victory looked secure once the other team lost its captain.
With a twelve-point lead and only two minutes left to play, the team's place in the final looked secure.
Similarassured, certain, guaranteed, sure
Oppositeuncertain, precarious, doubtful
- 13Overconfident and incautious; careless because too free from worry.
They were secure where they ought to have been wary, and timorous where they might well have been secure.
1849, Thomas Babington Macaulay, The History of England from the Accession of James the SecondNote
Latin sēcūrus already had a bad side, meaning careless or reckless, and English kept it for a time. It is the darker half of the 'without care' word behind the untroubled meaning: someone who stopped worrying too soon. Thomas Babington Macaulay plays both senses against each other: 'They were secure where they ought to have been wary.' The use is obsolete, so in older prose read it as overconfident, not as the protected meaning.
Checked 6 Nov 2026 · 3 facts
- Latin sēcūrus could mean careless or reckless, and English secure also acquired the unfavorable sense. en.wiktionary.org
- The Latin source combines elements meaning without and care and also has the untroubled meaning. en.wiktionary.org
- Thomas Babington Macaulay wrote the quoted words and contrasted unwarranted confidence with justified confidence in the full sentence. en.wikisource.org
- 14To plight or pledge; to bind oneself by a solemn promise.
Note
An obsolete use, met only in older texts, where to secure something meant to pledge it, binding oneself by a solemn promise. A modern writer who wants this meaning should use pledge, because today's readers will hear the verb as fastening, guarding or obtaining.
Checked 6 Nov 2026 · 1 fact
- Secure had an obsolete sense meaning to plight or pledge. en.wiktionary.org
Showing meanings only.
Practice
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Origin
Borrowed from Latin sēcūrus, meaning "free from care, safe, free from danger," formed from sē- ("without") and cūra ("care"). It is a doublet of sure.
Checked 6 Nov 2026 · 4 facts
- Secure was borrowed from Latin sēcūrus. en.wiktionary.org
- Latin sēcūrus meant free from care, safe, and free from danger. en.wiktionary.org
- Sēcūrus was formed from sē- meaning without and cūra meaning care. en.wiktionary.org
- Secure is a doublet of sure. en.wiktionary.org