signal
SIG-nuhl
/ˈsɪɡnəl/
To indicate an intended lane change or turn using vehicle indicator lights or hand gestures.
Expresses intent before executing a maneuver to inform other road users.
The story behind the word. From Latin signum (mark or sign), passing into Old French as signale. Early drivers used physical hand gestures until mechanical direction indicators ('blinking lights') were standardized on cars in the late 1930s.
Word relationships
- indicate: Indicate is the preferred term in British English driving contexts ('indicator').
- signify: Signify is used for symbolic meanings rather than physical driving lights.
- conceal: Conceal means hiding intentions or presence.
Commonly confused with
- single: Single means solo or one, whereas signal relates to signs and indicators.
Word family
- signaling (noun): The act of giving signals.
- signaler (noun): One who or that which gives a signal.
Collocations
- signal a turn
- turn signal
- signal left/right
Idioms & expressions
- signal your intentions
Example sentences
- "Always signal your intention to turn at least one hundred feet before reaching the corner." Turning at intersection
- "He forgot to signal before switching lanes, causing the driver behind him to honk." Lane changing
Memory hook
SIGNAL = Show a SIGN to AL-l drivers around you. Signal = Blink your lights before turning.
When not to use
Do not confuse with executing the maneuver itself—signaling is the communication prior to action.
Fun facts
- Actress Florence Lawrence invented the mechanical turn signal in 1914—an arm attached to the rear mudguard that raised at the press of a button!
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