warningzones

noun
UK /ˈwɔːnɪŋ zəʊnz/
US /ˈwɔːrnɪŋ zoʊnz/

Places where you need to be extra careful because something could be dangerous.

The map showed warningzones near the volcano where people should not go.


OTHER MEANINGS

2. Parts of a computer program or game that show a message telling you to be careful.

The app popped up warningzones before I deleted the file.

3. Areas in a story or game where the rules say you must watch out for trouble.

Players must avoid the warningzones marked in red on the board.

4. Places on a weather map where storms or strong winds are likely.

The forecast highlighted warningzones along the coast.