halitosis

UK: /ˌhælɪˈtəʊsɪs/ US: /ˌhælɪˈtoʊsɪs/ ,(hal′i tō′sis)

WordReference Random House Learner's Dictionary of American English © 2026

hal•i•to•sis /ˌhælɪˈtoʊsɪs/   n. [uncountable]

1. Pathology a condition of having unpleasant-smelling breath;
   bad breath.

See -hale-.

WordReference Random House Unabridged Dictionary of American English © 2026

hal•i•to•sis  (hal′i tō′sis), n. 

1. Pathology a condition of having offensive-smelling breath;
   bad breath.

• Neo-Latin; see halitus, -osis
• 1870–75

Collins Concise English Dictionary © HarperCollins Publishers::

halitosis / ˌhælɪˈtəʊsɪs/ noun

1. the state or condition of having bad breath

Etymology: 19th Century: New Latin, from Latin hālitus breath, from hālāre to breathe