AskDefine | Define safe

Dictionary Definition

safe adj
1 free from danger or the risk of harm; "a safe trip"; "you will be safe here"; "a safe place"; "a safe bet" [ant: dangerous]
2 of an undertaking
3 having reached a base without being put out; "the runner was called safe when the baseman dropped the ball" [syn: safe(p)] [ant: out(p)]
4 financially sound; "a good investment"; "a secure investment" [syn: dependable, good, secure]
5 in safekeeping; "your secret is safe with me"


1 strongbox where valuables can be kept safe
2 a ventilated or refrigerated cupboard for securing provisions from pests
3 contraceptive device consisting of a thin rubber or latex sheath worn over the penis during intercourse [syn: condom, rubber, safety, prophylactic]

User Contributed Dictionary



  • /seIf/
  • /seɪf/
  • Rhymes: -eɪf


  1. Not in danger; free from harm's reach.
    You’ll be safe here.
  2. Free from risk; harmless, riskless.
    It’s safe to eat this.
    If you push it to the limit, safety is not guaranteed.
  3. Providing protection from danger; providing shelter.
    We have to find a safe spot, where we can hide out until this is over.
  4. Properly secured; secure.
    The documents are safe.
  5. Describing something wicked - cool - awesome - respectable
    Slang/modern expression for describing nouns or verbs.
    • A regular term of approbation, non SAE. Equivalent of smart, good looking, etc. (origions unknown) 1978 A dictionary of South African English. Edited Jean Branford. Oxford.
    • SAFE, Something is genuinely good, an agreement, a greeting. Safe can be used in many contexts whether to say thank you for something, to agree with something, another way of saying hello. Safe is a very versatile word in this sense. It is very often used by the younger generation of people.


not in danger
free from risk
providing protection from danger
properly secured
describing something wicked - cool - awesome



  1. A box, usually made of metal, in which valuables can be locked for safekeeping.


A box, usually made of metal, in which valuables can be locked for safekeeping

See also

Extensive Definition

A safe (also called strongbox or coffer) is a secure lockable box used for securing valuable objects against theft or damage. A safe is usually a hollow cuboid or cylinder, with one face removable or hinged to form a door. The body and door may be cast from metal (such as steel) or formed out of plastic through blow molding.


Specifications for safes include some or all of the following parameters:
Opening a safe without access to the key or knowledge of the combination is known as safe-cracking. This is a popular theme in heist films.
A diversion safe or hidden safe is a safe that is made from an otherwise ordinary object such as a book, a candle, a can, or even a wall outlet plug. Valuables are placed in these hidden safes, which are themselves placed inconspicuously (for example, a book would be placed on a book shelf).
Fire resistant Record Protection Equipment consists of self-contained devices that incorporate insulated bodies, doors, drawers or lids, or non-rated multidrawer devices housing individually rated containers that contain one or more inner compartments for storage of records. These devices are intended to provide protection to one or more types of records as evidenced by the assigned Class rating or ratings; Class 350 for paper, Class 150 for microfilm, microfiche other and photographic film and Class 125 for magnetic media and hard drives. These types of enclosures can be rated for periods of 1/2, 1, 2 and 4 hour durations.
In addition, these enclosures may be rated for their impact resistance, should the safe fall a number of feet to a lower level or have debris fall upon it during a fire.
Burglary resistant safes are rated as to their resistance to the type of tools to be used in their attack and also the duration of the attack.
The attack durations are for periods of 15 min., 30 min. and 60 min.
Safes can also contain hardware that automatically dispenses cash or validates bills as part of a Automated Cash Handling system.

Room-sized fireproof vaults

For larger volumes of heat-sensitive materials, a modular room-sized vault is much more economical than purchasing and storing many fire rated safes. Typically these room-sized vaults are utilized by corporations, government agencies and off-site storage service firms. Fireproof vaults are rated up to Class 125-4 Hour for large data storage applications. These vaults utilize ceramic fiber, a high temperature industrial insulating material, as the core of their modular panel system. All components of the vault, not just the walls and roof panels, must be Class 125 rated to achieve that overall rating for the vault. This includes the door assembly (a double door is needed since there is no single Class 125 vault door available), cable penetrations, coolant line penetrations (for split HVAC systems), and air duct penetrations.
There are also Class 150 applications (such as microfilm) and Class 350 vaults for protecting valuable paper documents. Like the data-rated (Class 125) structures, these vault systems employ ceramic fiber insulation and components rated to meet or exceed the required level of protection.
In recent years room-sized Class 125 vaults have been installed to protect entire data centers. As data storage technologies migrate from tape-based storage methods to hard drives, this trend is likely to continue.

Fire-resistant safes

A fire-resistant safe is a type of safe that is designed to protect its contents from high temperatures or actual fire. Fire resistant safes are usually rated by the amount of time they can withstand the extreme temperatures a fire produces, while not exceeding a set internal temperature (e.g. less than 350ºF over 30 minutes). Models are typically available between half-hour and four-hour durations.
An in-floor safe installed in a concrete floor is very resistant to fire.
Both the standards witting for fire-resistance and actual testing of safes is performed by Underwriters Laboratories in the USA.


* Locks, Safes, and Security: An International Police Reference, published by Charles Thomas Publishers, Springfield, Illinois, United States. (2000) ISBN 0-398-07079-2.

See also

External links

safe in Czech: Trezor
safe in German: Tresor
safe in Spanish: Caja fuerte
safe in French: Coffre-fort
safe in Korean: 금고 (상자)
safe in Italian: Cassaforte
safe in Hebrew: כספת
safe in Limburgan: Kloes (bergruumde)
safe in Hungarian: Széf
safe in Dutch: Brandkast
safe in Japanese: 金庫
safe in Norwegian: Seif
safe in Polish: Sejf
safe in Romanian: Casă de bani
safe in Russian: Сейф
safe in Finnish: Kassakaappi
safe in Swedish: Kassaskåp
safe in Ukrainian: Сейф

Synonyms, Antonyms and Related Words

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