Even with teacher supervision, obscenities can't be avoided, and are sometimes hidden inside other words, advocates argue.

CNN: Debate rages over bill to restrict 'Net smut

Despite his simple words and laconic sentences, he is one of the most difficult Russian authors to translate for the simple reason that so much remains hidden between his words.

ECONOMIST: Russian writers

In a sense, privacy depends on keeping some things private, in other words, hidden, restricted, or deleted.

FORBES: Google Privacy Lawyer's Fascinating (and Unofficial) Thoughts on the 'Right to be Forgotten'

As Ford conceived him he was a man of few words, whose intense emotional life lay hidden from the world.

WSJ: Television Review: The Battlegrounds of Love and War

In other words, who else might you meet in a hidden, ultra exotic, miles-high Himalayan kingdom?

FORBES: Connect

Her words helped me to discover that there was a hidden place in her mind which housed deeper thoughts.

CNN: ASIANOW - TIME Asia | Young China | The Pen is Nastier Than the Sword--Page 2

The new Zynga platform is focused exclusively on social games, and Zynga will make most of its popular titles such as Words with Friends, CastleVille, Zynga Poker, Hidden Chronicles and CityVille available on it soon.

FORBES: Zynga's Platform for Play Aimed at Reducing Facebook Reliance