Definition of anosmia in US English:



  • The loss of the sense of smell, either total or partial. It may be caused by head injury, infection, or blockage of the nose.

    • ‘Does he have any history of nasal problems, such as trauma, congestion, or anosmia associated with nasal polyps?’
    • ‘I don't, by the way, in any way suggest pregnancy as a cure for anything, let alone anosmia.’
    • ‘Usage of these products can and has induced permanent anosmia - that is, a complete loss of the sense of smell, rather a severe consequence to risk in an attempt to avoid some of the discomfort associated with (of all things) the common cold!’
    • ‘Look up drug side effects in the Physicians' Desk Reference and you will discover words like tinnitus (ringing in the ears), syncope, dyspnea (shortness of breath), epistaxis and anosmia (loss of smell).’
    • ‘During examination, the subjects were asked about known anosmia or hyposmia.’


Early 19th century: from an- + Greek osmē ‘smell’.