- odorless (US)
odourless (not comparable)
- Having no odour.
- 1958, Anthony Burgess, The Enemy in the Blanket (The Malayan Trilogy), published 1972, page 357:
- Smiling, young, muscular, paunchless, probably odourless, he went.
- They were taken unawares and overcome when the room filled with a lethal, odourless gas.
odourless — see odorless