Basic Details
Word: Noxious
Part of Speech: Adjective
Meaning: Harmful or toxic, especially to plants, animals, or humans.
Synonyms: Poisonous, harmful, deadly
Antonyms: Beneficial, harmless, safe
Idioms and Phrases
- Noxious fumes: Harmful gases that can be dangerous to breathe. Example: "The factory released noxious fumes that made the air difficult to breathe."
- As noxious as a weed: Used to describe something very harmful or unwanted. Example: "His lies were as noxious as a weed, spreading negativity everywhere."
Usage Examples
Example 1: The scientist warned us about the noxious chemicals found in some household cleaners.
Example 2: While hiking, we had to avoid the noxious plants that could cause skin irritation.
Example 3: The noxious waste from the factory polluted the river, harming the fish and plants nearby.
Fun Fact
Did you know that the word "noxious" comes from the Latin word "noxius," which means "harmful"? It has been used to describe harmful substances since the late 15th century!
Famous Quote
"We must protect our rivers and lakes from the noxious substances that threaten their purity." Unknown
Multiple Choice Questions (MCQs)
1. What does "noxious" mean?
a) Helpful and kind
b) Harmful or toxic
c) Beautiful and bright
d) Strong and durable
Answer: b) Harmful or toxic
2. Which of these is a synonym of "noxious"?
a) Safe
b) Poisonous
c) Pleasant
d) Useful
Answer: b) Poisonous
3. Which sentence uses "noxious" correctly?
a) The noxious flowers smelled very sweet.
b) The noxious kitten played with a ball of yarn.
c) The noxious waste harmed the environment.
d) The noxious book was a bestseller.
Answer: c) The noxious waste harmed the environment.
4. Which idiom refers to harmful gases?
a) As noxious as a weed
b) Noxious fumes
c) An apple a day
d) A stitch in time
Answer: b) Noxious fumes
5. What is the opposite of "noxious"?
a) Noxious
b) Deadly
c) Harmless
d) Poisonous
Answer: c) Harmless
