to hide.

She found the constant media attention intolerable and went to ground in France for a few months. (usually + adv/prep)

• in earnest
• in eclipse
• in element
• in evidence
• in eyes
• in face
• in fact
• in favor of
• in favor of something
• in fits and starts
• in flagrante
• in flagrante delicto
• In for a penny.
• In for a penny, in for a pound.
• in force
• in for the kill
• in front of
• in front of someone
• in full force
• in full swing
• in fun
• in gear
• in general
• in glory
• in good company