viral Definition in the Cambridge English Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Definition of “viral” - English Dictionary

Definition of "viral" - American English Dictionary

See all translations

viraladjective [not gradable]

 us   /ˈvɑɪ·rəl/
biology relating to or caused by a ​virus
(Definition of viral from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "viral" - British English Dictionary

See all translations

viraladjective

uk   /ˈvaɪə.rəl/  us   /ˈvaɪ-/

viral adjective (DISEASE)

caused by a ​virus: viral infections

viral adjective (INTERNET)

used to ​describe something that ​quicklybecomes very ​popular or well ​known by being ​published on the internet or ​sent from ​person to ​person by ​email, ​phone, etc.: Here's a ​list of the ​top ten viral ​videos this ​week. Within ​days the ​filmclip went viral.
(Definition of viral from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

Definition of "viral" - Business English Dictionary

See all translations

viraladjective

uk   us   /ˈvaɪrəl/ INTERNET, MARKETING
spreading or becoming popular very quickly through ​communication from one ​person to another, especially on the ​internet: viral ad/advertising In the future, he ​predicts, viral ​ads will ​offereven more ​participation. All their clever ​targeted viral ​campaigning may ultimately be less ​effective than good old ​massmarketing. From viral ​video to text-message ​campaigns and ​avatarsalesreps, futuristic ​marketingtools are quickly becoming commonplace.
go viral to become very popular very quickly: There's no surefire way to make a given ​video go viral, ​even if it ​features a celebrity.
(Definition of viral from the Cambridge Business English Dictionary © Cambridge University Press)
Translations of “viral”
in Arabic فَيروسي…
in Korean 바이러스 성의…
in Portuguese viral…
in Catalan víric…
in Japanese ウイルス(性)の…
in Chinese (Simplified) 病毒病,病毒性疾病, 病毒感染…
in Turkish virüsle ilgili/virüs tarafından neden olunan…
in Russian вирусный…
in Chinese (Traditional) 病毒病,病毒性疾病, 病毒感染…
in Italian virale…
in Polish wirusowy…
What is the pronunciation of viral?
Add Cambridge dictionaries to your browser to your website
Word of the Day

chestnut

a large tree with leaves divided into five parts and large round nuts that can be eaten

Word of the Day