danger signal

A 'danger signal' can be both a literal and figurative indicator of potential hazards or threats, commonly used in safety protocols and various industries.

πŸ‡ΊπŸ‡Έ US Voice:
πŸ‡¬πŸ‡§ UK Voice:

Definition

B2General

(common)A warning sign indicating the presence of a hazard or potential threat.

Example

  • The sudden drop in stock prices was a danger signal for investors.

C1Rail Transport

(technical)A signal showing a red light or other stop indication that a train driver must not pass until it changes or is manually cleared by a dispatcher.

Example

  • The train halted immediately upon seeing the danger signal.

B2Figurative

(figurative)An indication or symptom suggesting that a risk or problem may arise.

Example

  • Her persistent cough was a danger signal that something was wrong with her health.

Similar

Terms that have similar or relatively close meanings to "danger signal":

warning signwarning bellred flagdanger areadistress signalbad signalarm bellhealth warningred alertcode yellowyellow flagdanger spacestarting signalwarning trackdanger zonedirection indicatorcode redsignalling event