1. A board painted black, used to write or draw on, for purposes of instruction.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• balckboard,
• blachboard,
• blackborad,
• lackboard,
• blackobard,
• blakboard,
• blacboard,
• blackboarda,
• blackboad,
• blackbored,
• blackbord,
• blackoard,
• blackboars,
• blackbard,
• blackbaord,
• blackboar,
• blackboared,
• blckboard,
• blaclboard,
• blakcboard

• black forest,
• blackfriar,
• blackford,
• Black Africa,
• blackface,
• black body,
• black apricot,
• black fox,
• black poplar,
• black bass,
• blackfoot,
• black bear,
• blackbeard,
• blackball,
• blackbody,
• Black African,
• black pea,
• black box,
• blackberry,
• black book,
• blackbuck,
• blackbird,
• blackcap,
• blackpool,
• backboard,
• blackburn,
• black friar.

The adjective form of the word "blackboard" is "blackboard".

The plural of the "blackboard" can be the "blackboards".

The singular of the "blackboard" can be the "blackboard".