| major | (adjective) greater in number or size or amount | - |
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| (adjective) greater in scope or effect | - |
| (adjective) of full legal age | - |
| (adjective) (of a scale or mode) having half steps between the third and fourth degrees and the seventh and eighth degrees | - |
| (adjective) of the field of academic study in which one concentrates or specializes | - |
| (adjective) of greater importance or stature or rank | - |
| (adjective) of greater seriousness or danger | - |
| (adjective) of the elder of two boys with the same family name | - |
| (noun) the principal field of study of a student at a university | - |
| (noun) a commissioned military officer in the United States Army or Air Force or Marines; below lieutenant colonel and above captain | - |
| (noun) a university student who is studying a particular field as the principal subject | - |
| (verb) have as one's principal field of study | - |