Colloquial Variant guide

999

name · noun · 5 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Received-Pronunciation: /naɪn.naɪn.naɪn/
  • Received-Pronunciation: /trɪpəl.naɪn/
  • Received-Pronunciation: /naɪnz/

1

name

Meaning 1

The telephone number for emergency services in the United Kingdom, Ireland, Hong Kong, Macau, Malaysia, Bangladesh, Burma, Bahrain, Qatar, the UAE, Kenya, Uganda, Zambia, Zimbabwe, Ghana, Sudan, South Sudan, Sierra Leone, Guyana, Antigua and Barbuda, Saint Lucia, Saint Vincent, Dominica, Kiribati, Samoa, the Solomon Islands, and the Seychelles.

Definition source: English Wiktionary via Wiktextract

Examples

  • When you call 999 in the UK, the operator usually answers the phone with "Emergency. Which service?"

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

name

Meaning 2

The telephone number for law enforcement in Singapore, Lebanon, Saudi Arabia, Eswatini, Botswana, Tanzania, Mauritius, and Trinidad and Tobago.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

name

Meaning 3

The telephone number for firefighting assistance in Malawi and Tonga.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

name

Meaning 4

The telephone number for ambulance services in Poland.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

Emergency services; emergency service personnel.

Definition source: English Wiktionary via Wiktextract

Usage: Hong-Kong, Ireland, Singapore, UK, colloquial, metonymically, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Established in the United Kingdom as the first emergency service number in the world, initially chosen because of its suitability at a time of rotary-dial telephones.