Solution

CLANDESTINE

2 clues

Secret

Word class: Common adjective
Nature of clue: Synonym
Difficulty: Medium
Sources: Boatload Puzzles
Topics: Society

Other solutions to Secret

Undercover

Word class: Common adjective
Nature of clue: Synonym
Difficulty: Medium
Sources: Boatload Puzzles
Topics: Law, Society

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