halfhourly
[ haf-ouuh r-lee, -ou-er-, hahf- ]
/ ˈhæfˈaʊər li, -ˈaʊ ər-, ˈhɑf- /
adjective
occurring every half-hour: a halfhourly interruption.
adverb
at half-hour intervals: The bell rang halfhourly.
Words nearby halfhourly
half-witted, half-year, halfback, halfbeak, halfhearted, halfhourly, halfies, halfmoon, halfpenny, halfpennyworth, halfsies
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019