Tra từ safe - Từ điển Oxford Advanced Learner 8th

safe [safe safes] adjective, noun BrE [seɪf] NAmE [seɪf]
adjective (safer, saf·est)

PROTECTED
1. not before noun protected from any danger or harm
• The children are quite safe here.
• She didn't feel safe on her own.
•Will the car be safe parked in the road?
•~ (from sb/sth) They aimed to make the country safe from terrorist attacks.
•Your secret is safe with me (= I will not tell anyone else).
•Here's your passport. Now keep it safe.
•Nobody is safe from suspicion at the moment.
•We have been assured that our jobs are safe (= we are not in danger of losing them).
Opp: ↑unsafe

WITHOUT PHYSICAL DANGER
2. not likely to lead to any physical harm or danger
•a safe and effective remedy for coughs and colds
•~ (for sb) (to do sth) Is the water here safe to drink?
• The street is not safe for children to play in.
•It is one of the safest cars in the world.
•We watched the explosion from a safe distance.
•Builders were called in to make the building safe.
Opp: ↑unsafe

NOT HARMED/LOST
3. not harmed, damaged, lost, etc
• We were glad she let us know she was safe.
• The missing child was found safe and well.
•They turned up safe and sound.
•A reward was offered for the animal's safe return.

PLACE
4. where sb/sth is not likely to be in danger or to be lost
• We all want to live in safer cities.
• Keep your passport in a safe place.
Opp: ↑unsafe

WITHOUT RISK
5. not involving much or any risk; not likely to be wrong or to upset sb
•a safe investment
•a safe subject for discussion
•~ (to do sth) It's safe to assume (that) there will always be a demand for new software.
• It would be safer to take more money with you in case of emergency.
• (disapproving) The show was well performed, but so safe and predictable.

PERSON
6. usually before noun doing an activity in a careful way
Syn: ↑careful
•a safe driver

LAW
7. based on good evidence
•a safe verdict
Opp: ↑unsafe

APPROVING
8. (BrE, informal)used by young people to show that they approve of sb/sth
•I like him, he's safe.
•That kid's safe.
9. (BrE, informal)used by young people as a way of accepting sth that is offered
•‘You want some?’ ‘Yeah, safe.’
see also ↑fail-safe
more at a good/safe bet at ↑bet _n.

Word Origin:
Middle English (as an adjective): from Old French sauf, from Latin salvus ‘uninjured’. The noun is from the verb ↑save, later assimilated to the adjectival form.

Thesaurus:
safe adj.
1. not usually before noun
•The girl was eventually found safe and well.
unharmed • • alive and well • • unhurt • • uninjured • • secure • • out of harm's way • |especially spoken all right • |informal, especially spoken OK • • in one piece • |written unscathed •
safe/secure from sth
remain safe/unharmed/alive and well/secure/all right/OK/in one piece/unscathed
perfectly safe/secure/all right/OK
2.
•Is the water safe to drink?
harmless • |formal medical benign •
Opp: dangerous, Opp: unsafe
a harmless/benign substance
environmentally safe/harmless/benign

Example Bank:
•Don't worry— he'll be all safe and snug in the barn.
•I decided to play it safe and wore a formal suit.
•Keep your money safe by carrying it in an inside pocket.
•She claimed that nuclear power was the most environmentally safe form of energy.
•The army experts made the bomb safe.
•The water was not considered safe to drink.
•The wood is never entirely safe for women on their own.
•They returned from their adventure safe and sound.
•They were safe from attack.
•You should be safe enough, but don't go too far.
•Your money will be safe with me.
•a completely safe and secure environment for young children
•an environmentally safe form of energy
•A reward was offered for the safe return of the cat.
•A safe and effective vaccine for the disease will soon be available.
•Builders were called in to make the building safe.
•Electricity shares are still a safe investment.
•I decided to play (it) safe and not let on I understood what they were saying.
•I didn't feel safe in the house on my own.
•It's safe to assume (that) there will always be a demand for new software.
•She decided to avoid travelling at night. Better safe than sorry.
•The girl was eventually found safe and well.
•The source of Harry Pascoe's wealth was not a safe subject for public discussion.
•They aim to make the country safe from terrorist attacks.
•They turned up safe and sound.
•We should be able to keep them safe here.
•We watched the explosion from a safe distance.
Idioms: ↑better safe than sorry ▪ ↑in safe hands ▪ ↑in the safe hands of somebody ▪ ↑on the safe side ▪ ↑play safe ▪ ↑safe as houses ▪ ↑safe in the knowledge that ▪ ↑safe pair of hands

noun
a strong metal box or cupboard with a complicated lock, used for storing valuable things in, for example, money or jewellery

Word Origin:
Middle English (as an adjective): from Old French sauf, from Latin salvus ‘uninjured’. The noun is from the verb ↑save, later assimilated to the adjectival form.