major

major in (something)

To complete a college or university degree with a particular subject as its focus. Originally I thought I would major in English literature, but I switch to psychology in my second year. Samantha's majoring in economics, with a minor in history.
See also: major

major league(s)

An area, echelon, or sphere of great competition, success, power, achievement, etc. Refers to the major leagues of sports teams. I know you're new here, but you need to perform much better if you want to stay in this law firm. You're in the major leagues now. Welcome to the major league of politics, senator.
See also: major
Farlex Dictionary of Idioms.

major in something

to specialize in a certain subject in college. I majored in history in college. I want to major in math.
See also: major
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

major in

v.
To complete a long-term course of study in some subject that is one's main focus: In high school I was interested in math, but in college I majored in history.
See also: major
The American Heritage® Dictionary of Phrasal Verbs.

major

mod. excellent; serious; severe. (Collegiate.) This rally is, like, major! Nick is a major dweeb.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • major in
  • major in (something)
  • switch on
  • switched on
  • switch off
  • make good money
  • tell you the truth
  • (if the) truth be told
  • if truth be known/told
  • (if the) truth be known
References in classic literature
Dear Major Fitz-David, I have no friends to take my part: I have nobody to come to but you!
"Do me the greatest of all favors;" answered the Major. "Don't ask me to say a word about it."
I am only a woman, Major. I can only throw myself on your kindness.
Law and the Lady
"Ah," said the major, taking a second biscuit, "that consummation of my happiness was indeed wanting." The worthy major raised his eyes to heaven and sighed.
"That was the general opinion, sir," said the major, "and I" --
A youthful indiscretion, I suppose, which you were anxious to conceal from the world at large?" The major recovered himself, and resumed his usual calm manner, at the same time casting his eyes down, either to give himself time to compose his countenance, or to assist his imagination, all the while giving an under-look at the count, the protracted smile on whose lips still announced the same polite curiosity.
"Oh, no, certainly not on my own account," said the major with a smile and a shake of the head.
Count of Monte Cristo
The major, holding his sabre in his well hand, with his pistols in his belt, gathered up the reins with the other hand and mounted one horse while the grenadier mounted the other.
Masters of Studzianka, they could sweep the plain, and by daylight the major could see two of their columns moving and forming on the heights.
Fortunately the major, who was carrying the countess, was still some distance from it.
As for the major and the grenadier, they found their safety in their strength.
Adieu
The Major patted him on the shoulder with a gesture almost peculiar to the soothing of a sick child, and said: "It was a burglar.
Major Putnam nodded, but at the same time shrugged his shoulders.
While the Major strolled unobtrusively towards him, the priest took an equally indolent turn, which took him round the next corner of the house to within a yard or two of the projecting dustbin.
Major Putnam had managed to slip inside and plunge into a proper shirt and trousers, with a crimson cummerbund, and a light square jacket over all; thus normally set off, his red festive face seemed bursting with a commonplace cordiality.
The Wisdom Of Father Brown