adjective
definition
of the very darkest colour owing to the absence of or complete absorption of light; the opposite of white.
example
black smoke
synonyms
definition
belonging to or denoting any human group having dark-coloured skin, especially of African or Australian Aboriginal ancestry.
example
black adolescents of Jamaican descent
definition
characterized by tragic or disastrous events; causing despair or pessimism.
example
five thousand men were killed on the blackest day of the war
synonyms
definition
denoting a covert military procedure.
example
clearance for black operations came from the highest political level
definition
(of goods or work) not to be handled or undertaken by trade union members, especially so as to express support for an industrial dispute elsewhere.
example
the union declared the ship black