adj
odorless
OH-duh-luhs
adj
1
Having no smell at all.
"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".