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adj

odorless

OH-duh-luhs

Odorless (adj) means having no smell at all. Example: “Carbon monoxide is odorless, which is what makes it so dangerous.”

adj
1
Having no smell at all.
"Carbon monoxide is odorless, which is what makes it so dangerous."

How to use odorless

Learner’s notes

In plain EnglishWithout any smell.

UK vs US

American spelling; British English writes this as "odourless".

Common pairings
odorless gas odorless and colorless
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Fill the gap

Can you complete this real example?

Carbon monoxide is _____, which is what makes it so dangerous.

Etymology

From "odor" plus the suffix "-less", meaning "without".

odourless inodorous

Frequently asked questions

What does “odorless” mean?

The word “odorless” means having no smell at all. In plain terms, without any smell.

How do you pronounce “odorless”?

“Odorless” is pronounced OH-duh-luhs (/ˈoʊdɚləs/ in IPA).

How do you use “odorless” in a sentence?

Here is “odorless” used in a sentence: “Carbon monoxide is odorless, which is what makes it so dangerous.”

What part of speech is “odorless”?

“Odorless” is an adjective.

Definitions: FreeDict original editorial