definitions
  • synonyms

halfhourly

[ haf-ouuh r-lee, -ou-er-, hahf- ]
/ ˈhæfˈaʊər li, -ˈaʊ ər-, ˈhɑf- /

adjective

half-hour(def 3).
occurring every half-hour: a halfhourly interruption.

adverb

at half-hour intervals: The bell rang halfhourly.

Nearby words

half-year, halfback, halfbeak, halfhearted, halfheartedly, halfhourly, halfies, halfling, halfmoon, halfpenny, 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