halfhourly

[haf-ouuh r-lee, -ou-er-, hahf-]

adjective

occurring every half-hour: a halfhourly interruption.

adverb

at half-hour intervals: The bell rang halfhourly.

Nearby words

  1. half-year,
  2. halfback,
  3. halfbeak,
  4. halfhearted,
  5. halfheartedly,
  6. halfies,
  7. halfling,
  8. halfmoon,
  9. halfpenny,
  10. halfpennyworth

Origin of halfhourly

First recorded in 1800–10; half + hourly

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019