lethal

Everyday

1. Lethal means able to kill; deadly. tree →
2. (informal) Very dangerous or very effective: «a lethal shot». tree →

In the lessons

Used in safety, science and news: «a lethal dose», «lethal weapon», «lethal snake bite». It tells the reader something can cause death. In sport slang, a «lethal» player scores a lot.

Examples

• Some mushrooms are lethal if eaten. tree →
• The box jellyfish has a lethal sting. tree →
• Carbon monoxide gas can be lethal. tree →
• Mixing cleaning products can make lethal fumes. tree →
• The striker is lethal in front of goal. tree →
• Keep medicines away from small children; some are lethal. tree →

Note

Strong word. Synonyms: deadly, fatal. Safety: never eat wild mushrooms or berries unless an expert says they are safe.