Infectious

//ɪnˈfɛk.ʃəs//

Synonyms for "infectious" (43 found)

Ranked by relevance and common usage.

Closest matches (9)

contagious catching infective transmissible catchy communicable contaminating deadly destructive

Strong matches (13)

endemic envenomed epidemial epidemic epiphytotic epizootic inoculable irresistible malign malignant mephitic miasmal

Adjective(1 words)

infective

Related words (21)

miasmatic miasmic noxious pandemic pestiferous pestilent pestilential poisonous sporadic spreading sympathetic taking toxic toxicant toxiferous venenate veneniferous venenous venomous virulent

Show 1 more word

zymotic

Related word relations

OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.

6 relation types

Antonyms

1 entries

noninfectious

Synonyms

4 entries

catching catchy contagious infective

derived

24 entries

agroinfectious antiinfectious bovine infectious petechial fever feline infectious peritonitis hyperinfectious infection infectious abortion infectious agent infectious bovine rhinotracheitis infectious disease infectious disease specialist infectious mononucleosis infectiously infectiousness neuroinfectious parainfectious

Showing 16 of 24 words.

has context

1 entries

pathology

related to

6 entries

excitement infect infection interest memorable transmit

similar

13 entries

catching communicable contagious contaminating contractable corrupting infected septic transmissible transmittable

Translations

87 translations across 32 languages.

Arabic

3 entries

مُعْدٍ adj (transmitted between persons as illness)
مُعْدٍ adj (able to infect others)
مُعْدٍ adj ((of feelings and behaviour) spreading quickly between persons)

Azerbaijani

3 entries

sirayət edən adj (transmitted between persons as illness)
sirayətedici adj (transmitted between persons as illness)
yoluxucu adj (transmitted between persons as illness)

Bashkir

1 entries

йоғошло adj (transmitted between persons as illness)

Bengali

2 entries

ছোঁয়াচে adj (transmitted between persons as illness)
সংক্রামক adj (transmitted between persons as illness)

Bulgarian

4 entries

заразен adj (transmitted between persons as illness)
заразен adj (able to infect others)
заразителен adj (informal: memorable and invoking excitement or interest)
инфекциозен adj (able to infect others)

Catalan

3 entries

infecciós adj (transmitted between persons as illness)
infecciós adj (able to infect others)
infecciós adj ((of feelings and behaviour) spreading quickly between persons)

Czech

4 entries

infekční adj (transmitted between persons as illness)
nakažlivý adj (transmitted between persons as illness)
nakažlivý adj (able to infect others)
nakažlivý adj (informal: memorable and invoking excitement or interest)

Dutch

2 entries

aanstekelijk adj ((of feelings and behaviour) spreading quickly between persons)
aanstekelijk adj (informal: memorable and invoking excitement or interest)

Esperanto

1 entries

infekta adj (transmitted between persons as illness)

Finnish

4 entries

tarttuva adj (transmitted between persons as illness)
tarttuva adj ((of feelings and behaviour) spreading quickly between persons)
tarttuva adj (informal: memorable and invoking excitement or interest)
tartuntavaarallinen adj (transmitted between persons as illness)

French

3 entries

communicatif adj ((of feelings and behaviour) spreading quickly between persons)
contagieux adj (able to infect others)
infectieux adj (transmitted between persons as illness)

German

3 entries

ansteckend adj ((of feelings and behaviour) spreading quickly between persons)
infektiös adj (transmitted between persons as illness)
infektiös adj (able to infect others)

Hindi

1 entries

संक्रामक adj (transmitted between persons as illness)

Icelandic

1 entries

smitandi adj ((of feelings and behaviour) spreading quickly between persons)

Indonesian

4 entries

infeksius adj (transmitted between persons as illness)
infeksius adj (able to infect others)
menular adj (transmitted between persons as illness)
menular adj (able to infect others)

Ingrian

1 entries

tarttuva adj (transmitted between persons as illness)

Irish

2 entries

ionfhabhtaíoch adj (able to infect others)
tógálach adj (transmitted between persons as illness)

Italian

3 entries

contagioso adj (able to infect others)
infettivo adj (transmitted between persons as illness)
infettivo adj (able to infect others)

Japanese

1 entries

感染性 adj (transmitted between persons as illness)

Kazakh

2 entries

жұқпалы adj (transmitted between persons as illness)
инфекциялық adj (transmitted between persons as illness)

Malay

3 entries

berjangkit adj (transmitted between persons as illness)
berjangkit adj (able to infect others)
berjangkit adj ((of feelings and behaviour) spreading quickly between persons)

Māori

4 entries

hopuhopu adj (transmitted between persons as illness)
hōrapa adj (transmitted between persons as illness)
hōrapa adj (able to infect others)
hōrapa adj ((of feelings and behaviour) spreading quickly between persons)

Norwegian Bokmål

3 entries

smittsom adj (transmitted between persons as illness)
smittsom adj (able to infect others)
smittsom adj ((of feelings and behaviour) spreading quickly between persons)

Polish

4 entries

infekcyjny adj (transmitted between persons as illness)
zakaźny adj (transmitted between persons as illness)
zaraźliwy adj (transmitted between persons as illness)
zaraźliwy adj ((of feelings and behaviour) spreading quickly between persons)

Portuguese

3 entries

contagioso adj (able to infect others)
infeccioso adj (transmitted between persons as illness)
infeccioso adj (able to infect others)

Romanian

2 entries

infecțios adj (transmitted between persons as illness)
infecțios adj (able to infect others)

Russian

4 entries

зара́зный adj (transmitted between persons as illness)
зара́зный adj (able to infect others)
зарази́тельный adj ((of feelings and behaviour) spreading quickly between persons)
инфекцио́нный adj (transmitted between persons as illness)

Scottish Gaelic

1 entries

gabhaltach adj (transmitted between persons as illness)

Spanish

3 entries

contagioso adj (able to infect others)
infeccioso adj (transmitted between persons as illness)
infeccioso adj (able to infect others)

Swedish

3 entries

infektiös adj (transmitted between persons as illness)
infektiös adj (able to infect others)
smittande adj ((of feelings and behaviour) spreading quickly between persons)

Tagalog

2 entries

nakahahawa adj (transmitted between persons as illness)
nakahahawa adj (able to infect others)

Welsh

3 entries

heintus adj (transmitted between persons as illness)
heintus adj (able to infect others)
heintus adj ((of feelings and behaviour) spreading quickly between persons)

Sample sentences

18 total sentences available.

Tatoeba + Wiktionary

The infectious case was isolated from other patients.

Source: tatoeba (44839)

Mumps is an infectious disease.

Source: tatoeba (65002)

His infectious humor stimulated applause.

Source: tatoeba (285449)

Not all the infectious diseases are contagious.

Source: tatoeba (636264)

Showing 4 of 18 available sentences.

More for "infectious"

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.