Black
Part of speech: adjective
Definition: absorbing all light and reflecting none; dark and colourless. without light. Relating to persons of African descent or (especially in the US) their culture. Bad; evil. Illegitimate, illegal or disgraced. Overcrowded. Lacking cream, milk and creamer. The standard denomination of the playing pieces of a board game deemed to belong to the black set, no matter what the actual colour.
Part of speech: noun
Definition: The colour/color perceived in the absence of light. A black dye, pigment. A pen, pencil, crayon, etc., made of black pigment. A person of African descent. the black: The black ball. The edge of home plate a type of firecracker that is really more dark brown in colour.
Part of speech: verb
Definition: To make black, to blacken. To apply blacking to something. To boycott something or someone, usually as part of an industrial dispute.
Example sentence: In the beginning it was all black and white.
Disastrous
Part of speech: adjective
Definition: of the nature of a disaster; calamitous.foreboding disaster; ill-omened.
Example sentence: When knowledge is cut off from traditional values, it becomes disastrous.