Answer:

HID

Answer	Crossword Clue
HID	Concealed
HID	Secreted
HID	Stored under the mattress

HID	Tried to elude the Feds, say
HID	Stashed
HID	Camouflaged
HID	Played sardines
HID	Lay low
HID	Covered up
HID	Went underground
HID	Holed up

HID	Sought anonymity
HID	Stayed out of sight
HID	Got out of the open
HID	Awaited the surprise party honoree
HID	Got behind something, maybe
HID	Buried
HID	Stashed away
HID	Kept under wraps

HID	Put out of sight
HID	Evaded the seeker
HID	Laid low
HID	Didn't go seek
HID	Took cover
HID	Wasn't the seeker, perhaps
HID	Ducked the seeker
HID	Screened

HID	Tucked away
HID	Was undercover
HID	Went under cover
HID	Disguised
HID	Swept under the rug
HID	Squirreled away
HID	Shrouded
HID	Kept out of sight

HID	Ducked down, say
HID	Kept secret
HID	Stowed away
HID	Made oneself scarce
HID	Tucked out of sight