Дата публикации: Jun 14, 2016 5:20:28 PM
single adjective BrE /ˈsɪŋɡl/ ; NAmE /ˈsɪŋɡl/
one
1. [only before noun] only one
He sent her a single red rose.
a single-sex school (= for boys only or for girls only)
All these jobs can now be done by one single machine.
I couldn't understand a single word she said!
the European single currency, the euro
(British English) a single honours degree (= for which you study only one subject)
for emphasis
2. [only before noun] used to emphasize that you are referring to one particular person or thing on its own
Unemployment is the single most important factor in the growing crime rates.
We eat rice every single day.
not married
3. (of a person) not married or having a romantic relationship with somebody
The apartments are ideal for single people living alone.
Are you still single?
see also single parent (a person who takes care of their child or children without a husband, wife or partner)
for one person
4. [only before noun] intended to be used by only one person
a single bed/room
a single sheet (= large enough for a single bed)
compare double
ticket
5. [only before noun] (British English) (also one-way North American English, British English) a single ticket, etc. can be used for travelling to a place but not back again
a single ticket
How much is the single fare to Glasgow?
compare return (7)
Extra examples
Marriage breakdown is common and there are a large number of single-parent families.
Unemployment is the single most important factor in the rising crime rates.
We eat rice every single day.
Idioms
at a (single) glance - immediately; with only a quick look
He could tell at a glance what was wrong.
(in) single file (old-fashioned (in) Indian file) - (in) one line, one behind the other
They made their way in single file along the cliff path.
only adjective BrE /ˈəʊnli/ ; NAmE /ˈoʊnli/ [only before noun]
1. used to say that no other or others of the same group exist or are there
She's their only daughter.
We were the only people there.
His only answer was a grunt.
2. used to say that somebody/something is the best and you would not choose any other
She's the only person for the job.
Idioms
in name only - officially recognized but not existing in reality
He's party leader in name only.
one and only - used to emphasize that somebody is famous
Here he is, the one and only Van Morrison!
the only thing is… - (informal) used before mentioning a worry or problem you have with something
I'd love to come—the only thing is I might be late.
only child noun - a child who has no brothers or sisters
I'm an only child.
Only children often relate well to adults.
http://forum.wordreference.com/threads/a-single-vs-the-an-only.2396637/?hl=ru
I'm a single parent. - Single carries the connotation of an unmarried parent (whether never-married, divorced, or widowed is not implied). (This describes the status of the speaker.)
I'm the only parent. - I'm the only parent in this crowd of children(?)
To be a single parent (to be an unmarried person raising a child) However, single here does not necessarily mean unmarried. There are also newly single parents, after a recent divorce, for instance, or loss (death) of the other parent.
To be an only child (to have no brothers or sisters).
As to I'm the only parent, I would see it as I am the only one among all the other parents.
https://www.englishforums.com/English/SingleVsOnly/crhbr/post.htm
Single means one or alone;
only means not more, exclusively.
I have a single friend. <- adj. I have a friend. He is a bachelor.
I have only one friend. <- adj. I'm an introvert so I have an only friend.
I have only twelve friends. <- adv.