keep down

Verb

 * 1)  To repress.
 * 2)  To restrain or control (a sound).
 * 3)  To cause not to increase or rise.
 * 4)  To retain in the stomach without vomiting.
 * 5)  To lie low; to stay concealed by not standing up.
 * 6)  To refrain from using capital letters more than absolutely necessary.
 * 1)  To cause not to increase or rise.
 * 2)  To retain in the stomach without vomiting.
 * 3)  To lie low; to stay concealed by not standing up.
 * 4)  To refrain from using capital letters more than absolutely necessary.
 * 1)  To lie low; to stay concealed by not standing up.
 * 2)  To refrain from using capital letters more than absolutely necessary.
 * 1)  To refrain from using capital letters more than absolutely necessary.

Usage notes
In all transitive senses the object may appear before or after the particle. If the object is a pronoun, then it must be before the particle.