The Collaborative International Dictionary
To be in bad odor
Odor \O"dor\ ([=o]"d[~e]r), n. [OE. odor, odour, OF. odor, odour, F. odeur, fr. L. odor; akin to olere to smell, Gr. 'o`zein, Lith. [*u]sti. Cf. Olfactory, Osmium, Ozone, Redolent.] [Written also odour.] Any smell, whether fragrant or offensive; scent; perfume.
Meseemed I smelt a garden of sweet flowers,
That dainty odors from them threw around.
--Spenser.
To be in bad odor, to be out of favor, or in bad repute.