- concealed; obscure; covert: hidden meaning; hidden hostility.
- past participle of hide1.
- a past participle of hide 1
- concealed or obscureda hidden cave; a hidden meaning
past participle of hide (v.1); a Middle English formation (Old English had gehydd “hidden”) on the model of ride/ridden, etc. Hidden persuaders (1957) was Vance Packard’s term for “ad men.”