The colour of the clear sky or the deep sea; the colour midway between green and violet in the visible spectrum and one of the primary additive colours.
Anything coloured blue, especially to distinguish it from similar objects differing only in colour.
A blue dye or pigment.
Blue clothing.
Blue clothing.
A blue uniform. See blues.複数形で
A member of a sports team that wears blue colours; (in the plural) a nickname for the team as a whole. See also blues.
An umpire, in reference to the typical dark-blue colour of the umpire's uniform. Sometimes perceived by umpires as derogatory when used by players or coaches while disputing a call.俗語
Sporting colours awarded by a university or other institution for sporting achievement, such as representing one's university, especially and originally at Oxford and Cambridge Universities in England. See also full blue, half blue.
A person who has received such sporting colours.
A member of law enforcement.俗語
A bluestocking.歴史
The sky, literally or figuratively.
The ocean; deep waters.
The far distance; a remote or distant place.
A dog or cat with a slaty gray coat.
One of the colour balls used in snooker, with a value of five points.
Any of the butterflies of the subfamily Polyommatinae in the family Lycaenidae, most of which have blue on their wings.
A bluefish.
An argument or brawl.オーストラリア, 口語
A liquid with an intense blue colour, added to a laundry wash to prevent yellowing of white clothes.
Any of several processes to protect metal against rust.
A type of firecracker.英国
One of the three colour charges for quarks.小詞
A member or supporter of the Conservative Party.英国