Clandestine; relating to a political, military, or espionage operation or site, the existence or details of which is withheld from the general public.
Absorbing all light and reflecting none; dark and hueless.
Related to the Christian Democratic Union of Germany.
Of the spades or clubs suits. Compare red (“of the hearts or diamonds suit”)
Foul; dirty, soiled.
Occult; relating to something (such as mystical or magical knowledge) which is unknown to or kept secret from the general public.
Said of a symbol or character that is solid, filled with color. Compare white (“said of a character or symbol outline, not filled with color”).
Expressing menace, or discontent; threatening; sullen.
Without any cream, milk, or creamer.
Having one or more features (hair, fur, armour, clothes, bark, etc) that is dark (or black); in taxonomy, especially: dark in comparison to another species with the same base name.
Belonging to or descended from any of various (African, Aboriginal, etc) ethnic groups which typically have dark pigmentation of the skin. (See usage notes below.)
Bad; evil; ill-omened.
Of or relating to the playing pieces of a board game deemed to belong to the "black" set (in chess the set used by the player who moves second) (often regardless of the pieces' actual colour).
Illegitimate, illegal or disgraced.
Belonging to or descended from any of various sub-Saharan African ethnic groups which typically have dark pigmentation of the skin.
Anarchist; of or pertaining to anarchism.
Overcrowded.
Designated for use by those ethnic groups (as described above).
Without light.
Protestant, often with the implication of being militantly pro-British or anti-Catholic. (Compare blackmouth ("Presbyterian").)
Blackness, the condition of belonging to or being descended from one of these ethnic groups.
The edge of home plate.
A pen, pencil, crayon, etc., made of black pigment.
The black ball.
The colour/color perceived in the absence of light, but also when no light is reflected, but rather absorbed.
A black dye or pigment.
A member of descendant of any of various (African, Aboriginal, etc) ethnic groups which typically have dark pigmentation of the skin. (See usage notes.)
A type of firecracker that is really more dark brown in colour.
The person playing with the black set of pieces.
Something, or a part of a thing, which is black.
Marijuana.
A dark smut fungus, harmful to wheat.
Black cloth hung up at funerals.
To boycott, usually as part of an industrial dispute.
To make black; to blacken.
To apply blacking to (something).
Public
Not fulfilled.
Made public, usable with a free licence and without proprietary components.
Having a free variable.
Having component words separated by spaces, as opposed to being joined together or hyphenated; for example, time slot as opposed to timeslot or time-slot.
Mild (of the weather); free from frost or snow.
With open access, of open science, or both.
Candid, ingenuous, not subtle in character.
Resulting from an incision, puncture or any other process by which the skin no longer protects an internal part of the body.
In current use; mapped to part of memory.
Of a note, played without pressing the string against the fingerboard.
Actively conducting or prepared to conduct business.
Able to have something pass through or along it.
not covered, showing what is inside
To be in a position preventing electricity from flowing.
Uttered, as a consonant, with the oral passage simply narrowed without closure.
Source code of a computer program that is not within the text of a macro being generated.
To be in a position allowing fluid to flow.
Of a note, played without closing any finger-hole, key or valve.
Able to be accessed (physically).
Uttered with a relatively wide opening of the articulating organs; said of vowels.
That ends in a vowel; not having a coda.
Not physically drawn together, closed, folded or contracted; extended.
Receptive.
Which is part of a predefined collection of subsets of X, that defines a topological space on X.
Written or sent with the intention that it may made public or referred to at any trial, rather than by way of confidential private negotiation for a settlement.
Not settled or adjusted; not decided or determined; not closed or withdrawn from consideration.
Not of a quality to prevent communication, as by closing waterways, blocking roads, etc.; hence, not frosty or inclement; mild; used of the weather or the climate.
Whose first and last vertices are different.
Open or unobstructed space; an exposed location.
Public knowledge or scrutiny; full view.
The act of something being opened, such as an e-mail message.
A defect in an electrical circuit preventing current from flowing.
A sports event in which anybody can compete.
To move to a position allowing fluid to flow.
To bring up, broach.
To make accessible to customers or clients.
To bet before any other player has in a particular betting round in a game of poker.
To spread; to expand into an open or loose position.
To move to a position preventing electricity from flowing.
To become open.
To make something accessible or allow for passage by moving from a shut position.
To enter upon, begin.
To turn on; to switch on.
To make (an open space, etc.) by clearing away an obstacle or obstacles, in order to allow for passage, access, or visibility.
To begin a side's innings as one of the first two batsmen.
To make (a bed) ready for a patient by folding back the bedcovers.
To start (a campaign).
To begin conducting business.
To reveal one's hand.
To load into memory for viewing or editing.