VOOZH

URL: https://www.wordreference.com/definition/pneumonia

⇱ pneumonia - WordReference.com Dictionary of English

pneumonia

UK:^*^*UK and possibly other pronunciationsUK and possibly other pronunciations/njuːˈməʊniə/

US:USA pronunciation: IPAUSA pronunciation: IPA/nʊˈmoʊnjə, njʊ-/

US:USA pronunciation: respellingUSA pronunciation: respelling(nŏŏ mōn′yə, -mō′nē ə, nyŏŏ-)

in Spanish | in French | in Italian | English synonyms | English Usage | Conjugator | in context | images

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

pneu•mo•nia /nʊˈmoʊnyə, nyʊ-/USA pronunciation n. [uncountable]

Pathologyinfection of the lungs caused by bacteria.

WordReference Random House Unabridged Dictionary of American English © 2026

pneu•mo•nia (nŏŏ mōn′yə, -mō′nē ə, nyŏŏ-),USA pronunciation n. [Pathol.]

Pathologyinflammation of the lungs with congestion.
PathologyAlso called lobar pneumonia. an acute disease of the lungs, caused by the bacterium Streptococcus pneumoniae and characterized by fever, a cough with blood-tinged phlegm, and difficult breathing.

Greek pneumonía. See pneumon-, -ia
Neo-Latin
1595–1605

Collins Concise English Dictionary © HarperCollins Publishers::

pneumonia /njuːˈməʊnɪə/ n

inflammation of one or both lungs, in which the air sacs (alveoli) become filled with liquid, which renders them useless for breathing. It is usually caused by bacterial (esp pneumococcal) or viral infection

Etymology: 17th Century: New Latin from Greek from pneumōn lung

'pneumonia' also found in these entries (note: many are not synonyms or translations):

carry off - crepitus - double pneumonia - -ia - incidence - klebsiella - legionnaire's disease - penicillin - pentamidine - pneumococcus - psittacosis - Q fever - AIDS - alarming - bronchial pneumonia - bronchopneumonia - carnification - debilitate - enfeeble - galloping - hemorrhagic septicemia - indebted - legionnaires' disease - lobar pneumonia - luck - mycoplasma - opportunistic - pathognomonic - PCP - pleuropneumonia - pleuropneumonialike organism - pneumobacillus - pneumocystis pneumonia - pneumonic - trimethoprim - with - sulfathiazole - swine plague

In Lists: Words with a silent "p", Infectious diseases , Illnesses, more...

Synonyms: lung fever, pneumonitis, disease, pleurisy, bronchitis, more...

🗣️Forum discussions with the word(s) "pneumonia" in the title:

a nice case of pneumonia
lethal, pneumonia like virus
of mysterious viral pneumonia in Wuhan, China
Old Maid's Pneumonia - dictionary additions forum
patient’s pneumonia appeared to <improve>
pneumonia or lung inflammation/infection
severe acute respiratory syndrome coronavirus 2 pneumonia
Viruses<—not bacteria—>cause most childhood pneumonia

Visit the English Only Forum.
Help WordReference: Ask in the forums yourself.

Look up "pneumonia" at Merriam-Webster
Look up "pneumonia" at dictionary.com

Go to Preferences page and choose from different actions for taps or mouse clicks.

In other languages: Spanish | French | Italian | Portuguese | Romanian | German | Dutch | Swedish | Russian | Polish | Czech | Greek | Turkish | Chinese | Japanese | Korean | Arabic

Links: ⚙️Preferences | Abbreviations | Pron. Symbols | Privacy Policy | Terms of Service | Support WR | Forums | Suggestions

Advertisements

Advertisements

Report an inappropriate ad.

WordReference.com

WORD OF THE DAY

GET THE DAILY EMAIL!

Become a WordReference Supporter to view the site ad-free.

Firefox users: use search shortcuts for the fastest search of WordReference.

Copyright © 2026 WordReference.com

Please report any problems.