1. To remain in a pair or a group with one or more other people or animals. OK, kids, please keep together as we make our way through the museum. We don't want anyone to get lost! The herd keeps together throughout the migration.
2. To cause, direct, or instruct two or more people or things to remain in a pair or group. In this usage, a noun or pronoun is usually used between "keep" and "together." I had a hard time keeping all the kids together at the park. I like to keep all my souvenirs together in a display case.
3. To ensure that a group of people remain together. In this usage, a noun or pronoun can be used between "keep" and "together." Really it was only our shared friendship with Tommy that kept our group together in high school. After he left, we all just sort of went our separate ways. My sister has been trying her best to keep our family together, but there has been too much hurt over the years.
4. To ensure that some organization does not disband or fall apart. In this usage, a noun or pronoun can be used between "keep" and "together." The new CEO vowed to do whatever it took to keep the company together. Common interests and ideals have kept together this union of countries for the last 50 years.
5. To bind two or more things physically together. In this usage, a noun or pronoun is used between "keep" and "together." Please don't use staples to keep the papers together, as they can jam up our fax machines.
keep someone or something together
to keep things or a group of people together; to keep something, including a group of people, from falling apart. I hope we can keep our club together for a few more years. We will keep it together for a while longer. Keep your toys together. Don't scatter them all over the house.
to remain as a group. We will keep together to the very end. Our group decided to keep together.