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Warning Sign: Definition, Examples, and Usage
Meaning 1：warning sign (Warning Sign)
Warning Sign
/ˈwɔːrnɪŋ saɪn/
n.
A mark, object, or signal that tells you something bad or dangerous might happen.
warning sign
➕
/ˈwɔːrnɪŋ saɪn/
n.
A visual indicator, such as a sign, symbol, or signal, designed to alert people to a potential hazard, risk, or dangerous condition.
📘 Details & Usage
📖 Root Explanation
'Warning' from Old English 'warnian' (to take heed), 'Sign' from Latin 'signum' (mark, token).
💡 Mnemonic
A yellow triangle says 'Stop! Danger ahead!' – that's a warning sign.
📖 Example
While walking my dog, I saw a bright yellow warning sign about falling branches on the path ahead.
While walking my dog, I saw a bright yellow warning sign about falling branches on the path ahead.
🔗 Collocations
put up a warning sign – to erect or display a sign that alerts to danger
heed a warning sign – to pay attention to a sign indicating danger and act accordingly
a clear warning sign – an unmistakable sign that something dangerous may occur
🔄 Synonyms
caution sign (n.) – A sign that warns of a possible hazard, often less severe than a warning sign.
danger sign (n.) – A sign indicating an immediate or serious threat, often red or with explicit warning language.
alert signal (n.) – Any audible or visible cue that warns of a hazardous situation.
🚫 Antonyms
all-clear sign (n.) – A signal indicating that a danger has passed and the area is safe.
green light (n.) – A signal giving permission to proceed, opposite of a warning to stop or be cautious.
safe zone marker (n.) – A marker indicating a place free from hazards, contrasting with warning signs.
🌱 Derivatives
📖 Cultural Story
Warning signs have ancient origins; Roman soldiers used painted stones to mark hazards. Today, they are standardized symbols in traffic, industry, and public safety to prevent accidents.
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