What does half-hourly mean?
Half-hourly means Once every half-hour, every 30 minutes..
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Pronunciation varies by accent · adjective
Once every half-hour, every 30 minutes..
a half-hourly train service
A new half-hourly service between Stratford [Greater London] and Meridian Water was introduced on 9 September by Greater Anglia.
Take this medicine half-hourly.
Use half-hourly when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Half-hourly means Once every half-hour, every 30 minutes..
Common synonyms include semihourly, twice-hourly.
The opposite depends on the specific sense.
a half-hourly train service
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