denial-of-service

[dih-nahy-uh l-uh v-sur-vis] /dɪˈnaɪ əl əvˈsɜr vɪs/
adjective, Digital Technology
1.
pertaining to or being an incident in which a computer or computer network is disabled, disrupting access or service:
a website hit by a denial-of-service attack; unintentional denial-of-service problems.
Related forms
denial of service, noun