Standard Lemma guide

half-hourly

adj · adv · 4 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

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1

adj

Meaning 1

Once every half-hour, every 30 minutes.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Examples

  • a half-hourly train service

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adv

Meaning 2

At intervals of a half-hour, every 30 minutes.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Examples

  • Take this medicine half-hourly.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective satellite

Meaning 3

occurring ever half hour

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adverb

Meaning 4

every thirty minutes, every half hour

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From half-hour + -ly.

Across languages

Translations

10 source translations are retained for this English entry.

  • Russian: получасово́й (polučasovój) — half-hourly
  • Southern Altai: јарым сааттыҥ (ǰarïm saattïŋ) — half-hourly
  • Arabic: كل نصف ساعة — twice an hour
  • Chinese Mandarin: 每半小時 /每半小时 (měi bàn xiǎoshí) — twice an hour
  • Esperanto: duonhore — twice an hour
  • Finnish: puolen tunnin välein — twice an hour
  • German: jede halbe Stunde — twice an hour
  • Japanese: 30分おきに (sanjippun oki ni) — twice an hour
  • Russian: ка́ждые полчаса́ (káždyje polčasá) — twice an hour
  • Russian: два ра́за в ча́с (dva ráza v čás) — twice an hour
Real reading context

half-hourly in complete knowledge articles