Usually means: Every thirty minutes; occurring frequently.
Definitions Related words Mentions
We found 18 dictionaries that define the word half-hourly:

General (17 matching dictionaries)
  1. half-hourly: Merriam-Webster
  2. half-hourly: Oxford Learner's Dictionaries
  3. half-hourly, half-hourly: Collins English Dictionary
  4. half-hourly: Vocabulary.com
  5. half-hourly: Wordnik
  6. half-hourly: Cambridge Advanced Learner's Dictionary
  7. half-hourly: Wiktionary
  8. Half-hourly, half-hourly: Dictionary.com
  9. Half-hourly: Online Plain Text English Dictionary
  10. half-hourly: Webster's Revised Unabridged, 1913 Edition
  11. half-hourly: Rhymezone
  12. Half-hourly: AllWords.com Multi-Lingual Dictionary
  13. half-hourly: FreeDictionary.org
  14. half-hourly: Mnemonic Dictionary
  15. half-hourly: TheFreeDictionary.com

Computing (1 matching dictionary)
  1. half-hourly: Encyclopedia

(Note: See half_hour as well.)

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Definitions from Wiktionary (
)
American English Definition British English Definition
▸ adjective:  Once every half-hour, every 30 minutes.
▸ adverb:  At intervals of a half-hour, every 30 minutes.

Similar:
two-hourly, quarter-hourly, hourly, trihourly, even-interval, half-hourlong, terdiurnal, tridaily, biquarterly, triweekly, more...

Opposite:
bi-hourly, two-hourly, every other hour

▸ Words similar to half-hourly

▸ Usage examples for half-hourly

▸ Idioms related to half-hourly

▸ Wikipedia articles (New!)

▸ Popular nouns described by half-hourly

▸ Words that often appear near half-hourly

▸ Rhymes of half-hourly

▸ Invented words related to half-hourly

Similar:
two-hourly, quarter-hourly, hourly, trihourly, even-interval, half-hourlong, terdiurnal, tridaily, biquarterly, triweekly, more...

Opposite:
bi-hourly, two-hourly, every other hour



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