Choose the perfect synonym or antonym for the word Concealed or not visible to the eye.
Hidden
/ˈhɪdn/Synonyms:
Antonyms:
Examples:
I found the hidden key under my bed.The room has a hidden door behind the bookshelf.
Etymology:
Originated from Old English hydan, related to hydrate in its conceal context, meaning to keep unseen.
Usage Statistics:
15 mentions per 1 million words 
Hint: Frequency according to COCA
Moderate
Hint: Frequency according to COCA
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