Last Updated：2025/11/30

(properly) Half-hourly: occurring every thirty minutes. / (inexact) Roughly (but not exactly) hourly: occurring around every sixty minutes.

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semihourly

Source Word

semihourly

not-comparable

(properly) Half-hourly: occurring every thirty minutes. / (inexact) Roughly (but not exactly) hourly: occurring around every sixty minutes.

Japanese Meaning

（厳密な意味）30分ごとに発生する / （概ねの意味）約60分ごとに発生する

The semihourly shuttle to the outer terminal saved us from missing our connecting flight.

外部ターミナルへの30分おきのシャトルは、私たちが乗り継ぎ便に乗り遅れないようにしてくれました。

Sense（1）

(properly) Half-hourly: occurring every thirty minutes.

The warship rang its semihourly bell, announcing it was now half past 10 o'clock.

Sense（2）

(inexact) Roughly (but not exactly) hourly: occurring around every sixty minutes.