lethal - Master This Word
Master this word with our 5-step learning method – Learn English in English
lethal Word Meanings
- capable of causing death
- deadly
- extremely harmful
lethal Example Sentences
Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.
lethal Phonetic & Pronunciation
UK
/ˈliːθəl/
US
/ˈliːθəl/
lethal Word Etymology
lethal: leth- (from Latin 'letalis' = deadly) + -al (suffix forming adjectives). Originating from Latin 'letalis' → Old French 'letal' → English. Imagine a lethal snake poised to strike, symbolizing danger and death.
Note 1: These definitions and etymologies are not standard dictionary definitions, but extended explanations provided to help with memorization and understanding of the actual application of words. Through this background information, we strive to make words more vivid and easier to understand, and help you remember their meanings in real life.
Note 2: LexiTalk designs the learning flow around the linguistics principle of “Comprehensible Input.” When learners encounter material that is slightly above their level but still understandable from context, the brain naturally absorbs the language. That’s why we keep every word inside authentic contexts, using examples and associations to help you understand it and use it flexibly.
Read the FAQ explanation of Comprehensible InputEnglish Brain Route
I grip the kettle handle and move the pot toward the stove, then shift my weight to keep the boil steady. I hold my breath as steam climbs and I adjust the flame bit by bit, watching for a spill. The room feels sharp with risk, a hint that a single slip can be lethal, a danger that makes every tiny correction feel alive.
Real Context
Lethal describes something capable of causing death or having extremely harmful effects. It is stronger than casual words like deadly or dangerous and is commonly used in technical, medical, or legal contexts, such as a lethal dose, lethal toxin, or lethal weapon. It can also appear in metaphorical uses to stress severe consequences, though that is less literal. The etymology traces to Latin letalis, through Old French letal, and into English as lethal. Imagine a lethal snake poised to strike to convey immediate danger and fatal potential. Understanding common collocations helps learners sound precise in safety, health, and policy discussions.
Usage Reminders
- - Use lethal for things that can kill in a single event.
- - Reserve for serious, technical, or legal contexts.
- - Distinguish from deadly in nuance (lethal = potential to kill; deadly = causing death more directly).
- - Pair with nouns that indicate danger (dose, weapon, toxin).
- - Avoid hyperbole in formal writing; save for clear risk assessment.
Common Misconceptions
- Lethal and deadly are interchangeable in all contexts.
- Lethal always means something that will kill instantly.
- You can use lethal to describe mild harm.
- All weapons described as lethal are illegal to possess.
- Lethal is used only in medical writing.
Thinking Differences
For English speakers, lethal is a formal, technical term that signals potential to cause death rather than an everyday threat; learners often mix it with deadly and use it in casual settings where a stronger word than 'dangerous' is expected.
Learning Tips
- Learn lethal with concrete collocations: lethal dose, lethal weapon, lethal toxin.
- Differentiate lethal vs deadly: lethal = potential to kill; deadly = causing death.
- Use in formal writing to discuss safety and risk.
- Avoid attaching to mild harms—reserve for serious contexts.
- Practice with medical texts or news headlines to hear natural usage.
- Remember etymology: Latin letalis, French letal, English lethal.
5-Step Learning Method - Learn English in English
Step 1: Meaning
What is the meaning of the word 'lethal'?
A.Happy
B.Deadly
C.Fast
D.Small
Step 2: Usage
In which sentence is 'lethal' used correctly?
A.She felt lethargic after eating the cake.
B.He rode his bike lethally in the park.
C.The medication had a lethal effect on the patient.
D.The flowers in the garden were lethal.
Step 3: Similar Words
Which word is a synonym of 'lethal'?
A.Dangerous
B.Harmless
C.Friendly
D.Safe
Step 4: Opposite Words
Which word is an antonym of 'lethal'?
A.Fatal
B.Nonlethal
C.Harmful
D.Destructive
Step 5: Mastery
In what real-life context would 'lethal' be used?
A.Discussing dangerous weapons
B.Playing a sport
C.Cooking a meal
D.Writing a poem
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