major

1. (attributive):Examples: "The US supreme court has ruled unanimously that natural human genes cannot be patented, a decision that scientists and civil rights campaigners said removed a major barrier to patient care and medical innovation."attributive

2. (attributive):Examples: "the major part of the assembly"Synonyms: mainattributive

3. (attributive):Synonyms: considerableattributive

4. (attributive):Examples: "to earn some major cash"; "a major exhibition"; "I gotta take a whiz test to my PO / I know I failed 'cause I done smoked major weed, bro"attributive

5. (attributive):Examples: "to suffer from a major illness"attributive

6. (education) Of or relating to a subject of academic study chosen as a field of specialization.