Hard

Hard or hardness may refer to:

• Hardness, resistance of physical materials to deformation or fracture
• Hard (surname)
• Hard (nautical), a beach or slope convenient for hauling out vessels
• Hard (tennis), a type of court
• Hard, Austria, a town
• Hard (Zürich), a quarter of the city
• Hayward Area Recreation and Park District
• Consonants that are not palatalized, especially in certain Slavic languages

Entertainment

• Hard (TV series), a TV series in France
• Hard (band), a Hungarian hard rock supergroup
• Hard (music festival)
• "Hard" (Rihanna song)
• Hard (EP), an EP by Goodbye Mr. Mackenzie
• Hard (Brainpower album)
• Hard (Gang of Four album)
• Hard (Jagged Edge album) (2003)

See also

• Hard water
• NP-hard, property in some abstract problems, of effort required to find their respective solutions increasing radically faster than the size of the problem description increases