se·​cure | \ si-ˈkyu̇r How to pronounce secure (audio) , -ˈkyər \
securer; securest

Essential Meaning of secure

1 : protected from danger or harm 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.
2 : providing protection from danger or harm You should store your valuables in a secure place. How secure is your front door?
3 : guarded so that no one can enter or leave without approval You are now entering a secure area. (chiefly Brit) a secure unit for young offenders

Full Definition of secure

 (Entry 1 of 2)

1a : free from danger
b : affording safety a secure hideaway
c : trustworthy, dependable a secure foundation
d : free from risk of loss
2a : easy in mind : confident
b : assured in opinion or expectation : having no doubt
c archaic : unwisely free from fear or distrust : overconfident
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 make fast secure a door secure a bike to a tree
b : to take (a person) into custody : hold fast : pinion
3a : to get secure usually lasting possession or control of secure a job
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

Keep scrolling for more

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

Adjective 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. Verb 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.
See More
Recent Examples on the Web: Adjective Passwords, no matter how strong, may not actually be the best way to keep online accounts secure. Fortune, 20 Oct. 2021 Keep the business secure and the workforce productive — only possible with deep data visibility and context. Robert Fly, Forbes, 19 Oct. 2021 From scary lights, to duct-tape cords, these tips will help keep your creepiest props and decorations secure through the scary season (and provide a fun thrill for your trick-or-treaters). Timothy Dahl, Popular Mechanics, 14 Oct. 2021 This season, Michigan State has been one of the nation's most ball-secure teams. Marlowe Alter, Detroit Free Press, 9 Oct. 2021 If one of the most secure couples that never talked about their feelings could break up, is there hope for anyone else? Ali Barthwell, Vulture, 6 Oct. 2021 But experts do not recommend replacing the social security number with any one of these methods alone; the most secure option is to protect identity with multiple factors. Sophie Bushwick, Scientific American, 24 Sep. 2021 Imagine yourself in your most secure, strong moments. Kevin Cashman, Forbes, 30 Aug. 2021 And consumers must use the most secure modes of transaction available, even if that means walking a paper check from the closing table to the teller’s window at their bank. Joanne Cleaver,, 13 Aug. 2021 Recent Examples on the Web: Verb This role model should create the autonomy and trust that employees need to feel comfortable about contributing new business growth, and have the ability to allocate resources and secure a dedicated space for sharing ideas. Sally Percy, Forbes, 22 Oct. 2021 This free program for adults requires registration and is limited to the first 20 people who secure their spot., 22 Oct. 2021 Now, Stephens is seeking to vacate his 2016 conviction — a move that could eliminate his felony charges and thus secure his position as constable. Amelia Pak-harvey, The Indianapolis Star, 21 Oct. 2021 While these issues aren’t unique to Massachusetts — families across the country are struggling to secure and pay for child care, and day care centers are facing staff shortages — the costs in the state are among the highest in the country., 21 Oct. 2021 Katelyn Boyer and Chloe Kincaid provided strong play throughout, while goalie Gillian Gladden made 8 saves to lead the defense and secure the shutout. Brent Kennedy,, 21 Oct. 2021 Sirius was founded in 1980 by Harvey Najim and helps businesses manage their operations and secure and improve their technology. Madison Iszler, San Antonio Express-News, 18 Oct. 2021 In his Telegram video, Watkins stationed himself outside the office of Arizona Attorney General Mark Brnovich, a candidate for U.S. Senate and someone whom Watkins could not secure a meeting with this week. Richard Ruelas, USA TODAY, 16 Oct. 2021 The notion of a nonfounder professional CEO fell out of favor, while venture-capital firms agreed to let founders of hot companies secure full control over their company despite owning a minority financial stake. Eliot Brown, WSJ, 16 Oct. 2021

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.

See More

First Known Use of secure


circa 1545, in the meaning defined at sense 2c


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

Keep scrolling for more

Buying Guide

Our team at The Usage has selected the best DIY security camera systems of 2021.

Learn More About secure

Time Traveler for secure

Time Traveler

The first known use of secure was circa 1545

See more words from the same year

Dictionary Entries Near secure




See More Nearby Entries 

Statistics for secure

Last Updated

24 Oct 2021

Cite this Entry

“Secure.” Dictionary, Merriam-Webster, Accessed 26 Oct. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for secure


se·​cure | \ si-ˈkyu̇r How to pronounce secure (audio) \
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


transitive verb
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

More from Merriam-Webster on secure

Nglish: Translation of secure for Spanish Speakers

Britannica English: Translation of secure for Arabic Speakers


Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!