How to use
the second person, thing, event etc is the one that comes after the first
the Second World War
the second of August
a second year student
his second wife
Clinton's second term in office
the second half of the year
the second time in three days
the position in a competition or scale that comes after the one that is the best, most successful etc
She won second prize.
They climbed to second place in the League.
second largest/most successful etc
Africa's second highest mountain
be second only to something
used to emphasize that something is nearly the largest, most important etc
The euro will have a circulation second only to that of the dollar.
another example of the same thing, or another in addition to the one you have
We advertised for a second guitarist.
There was a second reason for his dismissal.
I asked the doctor for a
when you ask another person to repeat an examination, test etc for you
every second year/person/thing etc
the second, then the fourth, then the sixth year etc
The nurse comes every second day.
used to emphasize that in a group of similar things, there is too much of one particular thing
Every second house seemed to be boarded up.
be second to none
to be the best
The quality of Britain's overseas aid programme is second to none.
help given to someone who has failed, in the hope that they will succeed this time
I just want to
a second chance
have second thoughts
to start having doubts about a decision you have made
You're not having second thoughts, are you?
have second thoughts about
She'd had second thoughts about the whole project.
on second thoughts
on second thought
used to say that you have changed your mind about something
I'll call her tomorrow - no, on second thought, I'll try now.
not give something a second thought/without a second thought
used to say that someone does not think or worry about something
She dismissed the rumour without a second thought.
not give something a second glance/look
without a second glance/look
to not look at something again, because you have not really noticed it or because it does not seem important
No-one gave the woman in the grey uniform a second glance.
be/become second nature (to somebody)
something that is second nature to you is something you have done so often that you do it almost without thinking
Driving becomes second nature after a while.
a new feeling of energy after you have been working or exercising very hard, and had thought you were too tired to continue
and ran on.
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.
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