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black

1 black /ˈblæk/ adjective
blacker; blackest
1 black
/ˈblæk/
adjective
blacker; blackest
Britannica Dictionary definition of BLACK
: having the very dark color of coal or the night sky
: very dark because there is no light
usually Black also black : of or relating to a group of people who have dark skin and who come originally from Africa
◊ In the U.S., the terms African-American and Black are both commonly used when referring to Americans of African descent.
: very sad or hopeless : bleak
: very tragic or unhappy
: marked by anger or hatred
used to describe humor that deals with subjects which are usually regarded as very serious or unpleasant

— blackly

adverb

— blackness

noun [noncount]
2 black /ˈblæk/ noun
plural blacks
2 black
/ˈblæk/
noun
plural blacks
Britannica Dictionary definition of BLACK
: the dark color of coal or the night sky
[noncount]
[count]
see color picture on this page
[noncount] : black clothing
Black [count] also black : a person belonging to a group of people who have dark skin and who come originally from Africa : a Black person
◊ The singular form Black in this sense is considered offensive. It should be avoided. The plural form Blacks is still commonly used by Black people and others to refer to Black people as a group or community, but it is increasingly considered offensive. Use Black people instead of Blacks when practical.

in the black

: making a profit
compare in the red at 2red
3 black /ˈblæk/ verb
blacks; blacked; blacking
3 black
/ˈblæk/
verb
blacks; blacked; blacking
Britannica Dictionary definition of BLACK
[+ object]
old-fashioned + literary : to make (something) black
British : to refuse to work for or with (a business, employer, etc.) or to buy (goods, services, etc.)

black out

[phrasal verb]
: to suddenly become unconscious
black (something) out or black out (something)
: to cover (something written) with a black or dark mark so that it cannot be read
: to cause (a place) to become dark
: to prevent the broadcast of (a televised sports event) usually used as (be) blacked out
see also blackout