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

Hawkins appears set to reclaim his starting job, but much like the quarterback position, running back is secure with depth and experience. Matt Murschel,, "Buffalo is No. 52 in 2018 preseason college football rankings," 5 July 2018 Many European leaders are less secure in their governing than Ms. Merkel is, and face even larger right-wing nativist backlashes. New York Times, "Germany’s Europe-Shaking Political Crisis Over Migrants, Explained," 3 July 2018 However, a third-party security company recently published data on their users supporting Microsoft’s claims that Windows 10 is more secure. Ken Colburn, azcentral, "Still running Windows 7? Probably not for much longer; Here's what you need to know," 2 July 2018 In other news, Fulham are also looking to finalise a deal to bring Newcastle striker Aleksandar Mitrovic back to the club on a permanent basis following his impressive loan spell which helped the club secure promotion last term., "Fulham Move Closer to Finalising £30m Double Swoop for Jean Michaël Seri & Maxime Le Marchand," 12 July 2018 Jones, who had never won in his first 55 Monster Energy races and qualified for a pole position only once, was 14th in the standings but not by a secure margin. John Smallwood,, "NASCAR's Monster Energy regular season enters homestretch," 11 July 2018 The obviousness of the report’s considered and sober point of view only underlines how transit tech startups, in their rush to secure market share and increase valuations, may be rushing to scale, but, in the process, become their own worst enemies. Patrick Sisson, Curbed, "How cities should regulate the scooter surge," 11 July 2018 In that meeting, May had appeared to win over her fractious Cabinet and secure approval for her plan, which was to be published as soon as this week in a lengthy White Paper that would stake out Britain's vision for future relations with Europe. Author: William Booth, Karla Adam, Anchorage Daily News, "Theresa May's government in disarray after shock resignation by Brexit minister," 9 July 2018 To help protect against prying eyes, Telegram, Signal, WhatsApp, and most other secure communication apps deploy end-to-end encryption, but that’s far from a panacea. Jacob Silverman, Longreads, "Private Telegram, Public Strife," 3 July 2018

Recent Examples on the Web: Verb

The Blue Jays earned 181 points in the poll to secure the No., "Digest (July 13): Wayne Rooney making D.C. United debut at new stadium," 13 July 2018 The duo quickly buckled down and adjusted, taking the final set to secure the championship title. Cincinnati Enquirer,, "Matrka, Zinn take women's doubles title at The Met," 13 July 2018 Digne is reportedly also of interest to Juventus and Bayern Munich, however, meaning that Everton may struggle to beat off higher profile competition to secure the Frenchman’s services., "Everton Plotting Ambitious Double Swoop for Barcelona Defensive Stars Ahead of New Season," 13 July 2018 Human rights monitors say the arrangements amount to a program of political and demographic engineering in Syria to secure Assad's rule. Philip Issa, Fox News, "Syrian rebels agree to give up Daraa, cradle of 2011 revolt," 13 July 2018 On Wednesday, news broke that U.S. production company Pure Flix Entertainment was planning to secure the film rights to the story of the Thailand cave rescue. Lauren Rearick, Teen Vogue, ""Crazy Rich Asians" Director Jon M. Chu Is Reportedly Making His Own Thai Cave Rescue Film," 12 July 2018 Zogenix picked up the project and conducted the clinical trials necessary to secure ZX008’s approval in Dravet syndrome. Adam Feuerstein, STAT, "Zogenix to submit anti-seizure drug for approval after clinical trial confirms benefit," 12 July 2018 The successful drug dealer manages to secure vast wealth while defying a criminal-justice system that has long brutalized black people. Josie Duffy Rice, The Atlantic, "The Gospel According to Pusha T," 12 July 2018 The IronBirds will look to secure the series Thursday night, with first pitch scheduled for 7:05 p.m. between the same two teams. Chris Jeter, The Aegis, "Back home, IronBirds snap losing skid with 6-1 win over Brooklyn," 12 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

12 Oct 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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one that holds something together

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