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certain /ˈsɜːtn $ ˈsɜːr-/ adjective

مسلم ، محقق ، یقین ، معین ، برخی ، قانون ـ فقه: مسلم ، قطعی
- sure, assured, confident, convinced, positive, satisfied
- known, conclusive, incontrovertible, irrefutable, true, undeniable, unequivocal
- inevitable, bound, definite, destined, fated, inescapable, sure
- fixed, decided, definite, established, settled
Antonyms: uncertain
Contrasted words: no, all, counterfeit, false, spurious, controversial, doubtful, dubious, questionable, iffy, hesitant, indecisive, vague, wavering
Related Words: assured, certified, guaranteed, warranted, ensured, insured, sure, a, an, one, many, numerous, divers, several, sundry, credible, plausible, well-grounded, confirmable, demonstrable, establishable, provable, verifiable, doubtless, trustworthy, unerring, indefeasible, irrevocable, unalterable, written, fated, predestinated, predetermined, confident, sanguine
English Thesaurus: certain, definite, inevitable, be bound to, be assured of something, ...

[TahlilGaran] English Synonym Dictionary

I. certain1 S1 W1 /ˈsɜːtn $ ˈsɜːr-/ adjective
[Word Family: noun: certaintyuncertainty; adverb: certainlyuncertainly; adjective: certainuncertain]
[Date: 1200-1300; Language: Old French; Origin: Vulgar Latin certanus, from Latin certus 'decided, certain', from cernere 'to sift, decide']

1. [not before noun] confident and sure, without any doubts Synonym : sure
certain (that)
I’m absolutely certain that I left the keys in the kitchen.
I felt certain that I’d passed the test.
certain who/what/how etc
I’m not certain when it will be ready.
certain about/of
Now, are you certain about that?
They were watching him. He was certain of it.

In everyday English, people usually say sure rather than certain:
I’m sure I gave him the money.

2. if something is certain, it will definitely happen or is definitely true:
It now seems certain that there will be an election in May.
Many people look certain to lose their jobs.
It is wise to apply early to be certain of obtaining a place.
It’s not certain where he lived.
His re-election was considered virtually certain.
It is by no means certain that the deal will be accepted.
If they stayed in the war zone they would face certain death.

3. make certain
a) to check that something is correct or true Synonym : make sure
make certain (that)
We need to make certain that it’s going to fit first.
b) to do something in order to be sure that something will happen Synonym : make sure
make certain (that)
Secure the edges firmly to make certain that no moisture can get in.

4. for certain without doubt Synonym : for sure
know/say (something) for certain
I know for certain it’s in here somewhere.
that’s/one thing’s for certain
One thing’s for certain, he won’t be back.

5. [only before noun] used to talk about a particular person, thing, group of things etc without naming them or describing them exactly:
The library’s only open at certain times of day.
I promised to be in a certain place by lunchtime.
There are certain things I just can’t discuss with my mother.
certain kind/type/sort
the expectation of a certain kind of behaviour
in certain circumstances/cases etc
Extra funding may be available in certain circumstances.

6. a certain
a) used to say that an amount is not great:
You may need to do a certain amount of work in the evenings.
to a certain extent/degree (=partly, but not completely)
I do agree with his ideas to a certain extent.
b) enough of a particular quality to be noticed:
There’s a certain prestige about going to a private school.
c) formal used to talk about someone you do not know but whose name you have been told:
a certain Mr Franks

[TahlilGaran] Dictionary of Contemporary English

II. certain2 pronoun
certain of somebody/something formal particular people or things in a group:
Certain of the payments were made on Mr Maxwell’s authority.

[TahlilGaran] Dictionary of Contemporary English

VERBS be, feel, look, seem Digby looked certain to be the next president.
become, grow I grew more and more certain that she was lying to me.
make Make certain that you lock the door if you go out.
ADV. very | absolutely, quite | by no means It's by no means certain that she'll get the job.
almost | fairly, pretty
PREP. about/of Are you quite certain about this?
PHRASES can't/couldn't say for certain I think she's a teacher, but I couldn't say for certain.
not know for certain I don't know for certain how many people are coming.

[TahlilGaran] Collocations Dictionary


it seems certain that …
It seemed certain that the other team would win.
somebody seems/looks/appears certain to do something
For a while the whole project looked certain to fail.
something is by no means certain (=not definite)
Victory was by no means certain for Smith.
something is far from certain (=not definite)
Success is far from certain.
fairly certain
Opposition to the changes is fairly certain.
almost/virtually certain
It is almost certain that she will be given a prison sentence.
Prices are virtually certain to increase.
certain death
If they stayed in the war zone, they faced almost certain death.

[TahlilGaran] Collocations Dictionary

BAD: Just suppose, for a certain reason, that there was suddenly a shortage of oil.
GOOD: Just suppose, for some reason, that there was suddenly a shortage of oil.
BAD: Every creature must have a certain way of protecting itself.
GOOD: Every creature must have some way of protecting itself.
BAD: He's working in London for a certain travel company.
GOOD: He's working in London for some travel company or other.

Usage Note:
Use certain + noun when you continue (or could continue) by giving details: 'There are certain advantages to living in the countryside, the most important being the fresh air.' 'I'm not allowed to eat certain types of seafood, especially squid and octopus.'
Use some + noun (+ or other ) when you cannot or do not wish to give details: 'In the end, he sold it to some second-hand car dealer.' 'If the factory is shut down for some reason, what will happen to all the workers?'
The phrase some + noun + or other is often used in informal styles to suggest that the person or thing is completely unknown to you and not worth thinking about: 'Apparently, their daughter has got engaged to some shop assistant or other.'

BAD: Under some certain circumstances, such as war, food has to be rationed.
GOOD: Under certain circumstances, such as war, food has to be rationed.

Usage Note:
Do not use a determiner (e.g. some, the, their ) before certain when it means 'particular' (see the note at certain 1 above): 'Each member of the committee has certain duties to perform.'

[TahlilGaran] Dictionary of Common Errors

See: for sure or for certain

[TahlilGaran] English Idioms Dictionary

TahlilGaran Online Dictionary ver 14.0
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TahlilGaran : دیکشنری آنلاین تحلیلگران (معنی certain) | علیرضا معتمد , دیکشنری تحلیلگران , وب اپلیکیشن , تحلیلگران , دیکشنری , آنلاین , آیفون , IOS , آموزش مجازی 4.15 : 2170
4.15دیکشنری آنلاین تحلیلگران (معنی certain)
دیکشنری تحلیلگران (وب اپلیکیشن، ویژه کاربران آیفون، IOS) | دیکشنری آنلاین تحلیلگران (معنی certain) | موسس و مدیر مسئول :