number one
noun
1.
oneself, especially one's own well-being or interests:
to look out for number one.
2.
a person, company, etc., that is first in rank, order, or prestige:
Our team is number one.
3.
of the highest in quality, status, importance, etc.; first-rate:
a number one performance.
4.
first in rank, order, or prestige:
the number one book on the bestseller list.
5.
urination: used especially by or with reference to children.
Idioms
6.
make
/
do
/
go number one,
Informal.
to urinate: used especially by or with reference to children.
Origin
1830-40
Examples from the web for
number one
The only thing they know is who's
number one
and who's number two.
Concrete, the
number one
construction material, is a major source of climate-warming gases.
That's why vaccines are the foundation's
number one
priority.
At many universities, research is the
number one
criteria for tenure.
As an organizer, ensuring this is your
number one
priority.
Nothing against business, but it was the
number one
major at the school.
High blood pressure is the
number one
risk factor for strokes.
number one
is there's always potential for some type of placebo effect any time you put a needle in anyway.
Extracting methane from sewage should be ranked as
number one
solution.
Lower cost is the
number one
factor responsible for its anticipated growth, but there are trade-offs as well.
British Dictionary definitions for
number one
number one
noun
1.
the first in a series or sequence
2.
an informal phrase for
oneself
,
myself
to look after number one
3.
(
informal
) the most important person; leader, chief:
he's number one in the organization
4.
(
informal
) the bestselling pop record in any one week
5.
(
euphemistic
) the act or an instance of urination
6.
a haircut in which the hair is cut very close to the head with an electric shaver
adjective
7.
first in importance, urgency, quality, etc:
number one priority
8.
(
informal
) (of a pop record) having reached the top of the charts
Slang definitions & phrases for
number one
Number One
noun phrase
One's own self, esp as competitive with others;
numero uno
: Always look out for Number One, he says
(1704+)
Urination
(1902+)
verb
: The little kid had to number one real bad