hidden

1. participlepastpast participle of hide

comparative more hidden · superlative most hidden

1. Located or positioned out of sight; not visually apparent.

   hidden treasure; hidden talents

   2 more examples

   It was the Lost Oasis, the Oasis of the vision in the sand. […] Deep-hidden in the hollow, beneath the cliffs, it lay; and round it the happy verdure spread for many a rood.

   1892, James Yoxall, The Lonely Pyramid, chapter 7

   One of the hidden glories of Victorian engineering is proper drains. Isolating a city’s effluent and shipping it away in underground sewers has probably saved more lives than any medical procedure except vaccination.

   2014 June 14, “It's a gas”, in The Economist, volume 411, number 8891

2. Obscure.

plural hiddens

1. crosswordingA hidden answer clue; one in which the letters of the solution appear consecutively in the wordplay.

   Hiddens are indicated thus; (e.g.) Grow (maraudinG ROWdies).

   1975, Games & Puzzles

   2 more examples

   The two types of clue which everyone should aim to solve at first reading are anagrams and hiddens.

   1987, The Listener

   16 of the 30 clues in this puzzle are hiddens; these are asterisked.

   2020 August 20, Telegraph Media Group Ltd, The Telegraph: How To Solve a Cryptic Crossword: Mastering cryptic crosswords made easy, Hachette UK, →ISBN, page 3

1. A surname.