past-participle adjective from hide (v.1); a Middle English formation (Old English had gehydd "hidden") on the model of ride/ridden, etc. As "secret, occult" from 1540s. Hidden persuaders (1957) was Vance Packard's term for ad men.
concealed (or hidden) damage
a hidden room or place of concealment such as a priest hole
hidden valleys
a hidden cave
hickscorner
Hicksite
hid
hidage
hidalgo
hidden
hiddenness
hide
hide-and-seek
hideaway
hidebound
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