se·cure | \ si-ˈkyu̇r , -ˈkyər \
securer; securest

Definition of secure 

(Entry 1 of 2)

1a archaic : unwisely free from fear or distrust : overconfident

b : easy in mind : confident

c : assured in opinion or expectation : having no doubt

2a : free from danger

b : free from risk of loss

c : affording safety a secure hideaway

d : trustworthy, dependable a secure foundation

3 : assured sense 1 a secure victory


secured; securing

Definition of secure (Entry 2 of 2)

transitive verb

1a : to relieve from exposure to danger : act to make safe against adverse contingencies secure a supply line from enemy raids

b : to put beyond hazard of losing or of not receiving : guarantee secure the blessings of libertyU.S. Constitution

c : to give pledge of payment to (a creditor) or of (an obligation) secure a note by a pledge of collateral

2a : to take (a person) into custody : hold fast : pinion

b : to make fast secure a door secure a bike to a tree

3a : to get secure usually lasting possession or control of secure a job

b : bring about, effect

4 : to release (naval personnel) from work or duty

intransitive verb

1 of naval personnel : to stop work : go off duty

2 of a ship : to tie up : berth

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Other words from secure


securely adverb
secureness noun


securer noun

Choose the Right Synonym for secure


ensure, insure, assure, secure mean to make a thing or person sure. ensure, insure, and assure are interchangeable in many contexts where they indicate the making certain or inevitable of an outcome, but ensure may imply a virtual guarantee the government has ensured the safety of the refugees , while insure sometimes stresses the taking of necessary measures beforehand careful planning should insure the success of the party , and assure distinctively implies the removal of doubt and suspense from a person's mind. I assure you that no harm will be done secure implies action taken to guard against attack or loss. sent reinforcements to secure their position

Examples of secure in a Sentence


We need to make our network more secure against attacks by hackers. The children were safe and secure in their beds. A safe is provided to keep your valuables secure from potential thieves. You should store your valuables in a secure place. How secure is your front door? You are now entering a secure area. I'm feeling secure about my place in the company. The company has established a secure foothold in the market. He believes his job is secure. They didn't begin to celebrate until they knew their victory was secure.


We must secure the country's borders. Secure your belongings under the seat. secure a child safety seat The seat is secured to the base by three screws. She scored a goal to secure the team's victory. She secured the zoo's future with a handsome bequest. He secured a loan using his house as collateral.
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Recent Examples on the Web: Adjective

People can also use the P3 Tips app to submit secure and anonymous tips to Crime Stoppers on their iPhone or Android phones. Annie Martin,, "Two Orlando men wanted in June shooting in Poinciana," 4 July 2018 The investigation began immediately, with officers working to search the area and get Jones, her children and a friend present at the time of the shooting to a secure location. Brieanna J Frank, azcentral, "Gilbert police releases video, details in shooting of sheriff's detention officer," 3 July 2018 The gator was turned over to the game warden to be released in a secure location, the news station reported. Madeline Farber, Fox News, "Texas police catch 8-foot alligator heading toward Walmart in wild video," 28 June 2018 Postal officials were not available to comment, but Mayor Jaime Doyle said the post office will operate out of Joliet and officials were trying to find a secure location in town for people to pick up their mail. Susan Demar Lafferty, Daily Southtown, "Tornado damage closes Manhattan post office," 27 June 2018 The queen’s home at Windsor Castle, where Prince Harry married Meghan Markle on May 19, might also be favored by the Secret Service over Buckingham Palace because of its more secure location. NBC News, "Trump's visit to Britain faces mass protest marches — and a giant baby blimp," 24 June 2018 Ranked-choice voting became a game of mathematical survival once all of the ballots were shipped to Augusta for processing at a secure location. Washington Post, "Maine AG wins in biggest test of ranked-choice voting in US," 20 June 2018 Those communications, though, must be secure—and not just from eavesdropping. The Economist, "A new type of battlefield network is in development," 14 June 2018 All of these tools use a much more modern encryption scheme, secure and authenticated from the start, and implemented with care. Quinn Norton, The Atlantic, "Email Is Dangerous," 21 May 2018

Recent Examples on the Web: Verb

May is eager to secure a trade deal with the U.S. after the divorce from the EU. Jane Onyanga-omara, USA TODAY, "President Donald Trump arrives to Britain in 'turmoil'," 12 July 2018 Manchester United have already made two signings in the transfer market so far this summer, managing to secure deals for midfielder Fred from Shakhtar Donetsk and full-back Diogo Dalot from Porto., "Eintracht Frankfurt Director Admits Croatia International Could Leave With Man Utd Interested," 12 July 2018 The boy was secured in a booster seat, and father and son were driven away. Time, "Government Falls Short of Deadline to Reunite Separated Migrant Kids and Their Parents," 11 July 2018 The long-term success of the new arrangement hinges on Germany’s ability to secure bilateral deals with other countries. Chris Cottrell, The Christian Science Monitor, "Immigration deal saves German government, points to European future," 9 July 2018 Also catching officials’ eye is a tax exemption Williams secured for the offices in 2008 because of the lease for government office space. Amy Lavalley, Post-Tribune, "Assessor: 'Multiple discrepancies' in Porter County tax exemption documents," 9 July 2018 Police were able to secure a search warrant on Thomas’ house, which was executed on March 6. Michael Williams,, "Code words, YouTube videos and shell casings lead Sanford police to homicide suspect," 7 July 2018 Two of these ferocious beasts were in the middle of the room, secured with 5-foot logging chains bolted to the floor. Gary Kamiya,, "The original Grizzly Adams kept his bears on a chain in SF," 7 July 2018 Nichole Thompson-Adams, who is black, was able to secure a scholarship for her two children to attend the Little Red School House and graduate from the high school in recent years. NBC News, "Elite NYC private school ends separating students by race," 5 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'secure.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of secure


circa 1545, in the meaning defined at sense 1a


1588, in the meaning defined at transitive sense 1a

History and Etymology for secure


Latin securus safe, secure, from se without + cura care — more at suicide

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Statistics for secure

Last Updated

14 Sep 2018

Look-up Popularity

Time Traveler for secure

The first known use of secure was circa 1545

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More Definitions for secure



English Language Learners Definition of secure

 (Entry 1 of 2)

: protected from danger or harm

: providing protection from danger or harm

: guarded so that no one can enter or leave without approval



English Language Learners Definition of secure (Entry 2 of 2)

: to make (something) safe by guarding or protecting it

: to put (something) in a place or position so that it will not move

: to make (something) certain


se·cure | \ si-ˈkyu̇r \
securer; securest

Kids Definition of secure

 (Entry 1 of 2)

1 : free from danger or risk Being home made me feel secure.

2 : strong or firm enough to ensure safety a secure lock

3 : free from worry or doubt : confident He's secure in his abilities.

4 : sure entry 1 sense 5, certain Victory is secure.


secured; securing

Kids Definition of secure (Entry 2 of 2)

1 : to make safe Police secured the building.

2 : to fasten or put something in a place to keep it from coming loose Secure your belongings under the seat.

3 : to get hold of : acquire … “Your father has finally secured passage for us …” —Theodore Taylor, The Cay

secured; securing

Legal Definition of secure 

1 : to put beyond hazard of losing or not receiving secure the blessings of libertyU.S. Constitution preamble

2a : to protect or make certain (as by lien) make a just and equitable partition and secure the parties' respective interestsDenton v. Lazenby, 879 P.2d 607 (1994)

b : to give security for (as a loan) or otherwise assure the payment, performance, or execution of with security the court imposed a lien on his property to secure the judgment

c : to give or pledge security to (as a creditor) broadly : to cause to have security or a security interest a creditor secured by a lien on real property

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Comments on secure

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