Solution

HIDDEN

3 clues

Concealed

Word class: Common adjective
Nature of clue: Synonym
Difficulty: Very easy
Sources: Boatload Puzzles

Other solutions to Concealed

Out of sight

Word class: Common adjective
Nature of clue: Description
Difficulty: Very easy
Sources: Boatload Puzzles

Secret

Word class: Common adjective
Nature of clue: Synonym
Difficulty: Very easy
Sources: Boatload Puzzles

Other solutions to Secret

Words are categorized by artificial intelligence: there can be mistakes.