"classical" in the noun sense

1. classical music, classical, serious music

traditional genre of music conforming to an established form and appealing to critical interest and developed musical taste

"classical" in the adjective sense

1. classical, classic

of or relating to the first significant period of a civilization, culture, area of study, etc.

"classic Chinese pottery"

"classical Marxism"

2. classical

of or relating to the study of the literary works of ancient Greece and Rome

"a classical scholar"

3. classical

of or relating to the languages used by ancient standard authors

"classical Greek"

4. classical, classic

well-known and long-established in form or style

"a classical ballet"

"classic double-breasted suit"

"the classic struggle between good and evil"

5. classical

physics) relating to or based on concepts that preceded the theories of relativity and quantum mechanics

6. classical

of or relating to music in the European tradition, such as symphonies and operas

"classical music"

7. classical, Greco-Roman, Graeco-Roman

of or pertaining to or characteristic of the ancient Greeks and Romans, especially their art, literature, or culture

"classical mythology"

"the classical world"

Source: WordNet® (An amazing lexical database of English)

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