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.
"They were taken unawares and overcome when the room filled with a lethal, odorless gas."
"The garlion is a cross between the garlic and onion; the topeppo combines the tomato and the pepper. We have the odorless onion, the odorless cabbage, the lemon cucumber that grows on a vine but looks like a lemon, and a giant cucumber"
— The Reader's Digest (1936)
"Carbon monoxide is odorless, which is what makes it so dangerous."
How to use odorless
Learner’s notesIn 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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Carbon monoxide is _____, which is what makes it so dangerous.
Etymology
From "odor" plus the suffix "-less", meaning "without".
Synonyms
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odourless
inodorous
Antonyms
Related words
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.
