v. 1a. To go or fit inside of; able to be put in. The table is too big to go into the closet. 1b. To be able to be divided into; be divisible into. Two goes into four two times. 2. To enter a state or condition of; pass into. John went into a fit of temper when he didn't get his own way. The sick man went into a coma. The country went into mourning when the king died. 3. To be busy in or take part in; enter as a job or profession. The mayor went into politics as a very young man. Mr, Johnson is going into business for himself. Bill wants to go into law when he gets out of school.
Compare: GO IN FOR, TAKE UP(5b). 4. To start to talk about; bring up the subject of; examine. We'll talk about the dead mouse after dinner, Billy. Let's not go into it now. The teacher went into the subject of newspapers today.
Compare: LOOK INTO.