Standard Lemma guide

semihourly

adj · adv · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

adj

Meaning 1

Half-hourly: occurring every thirty minutes.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Qualifier: properly

Examples

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

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

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

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Qualifier: inexact

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adv

Meaning 3

Half-hourly: at intervals of 30 minutes.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Qualifier: properly

Examples

  • Samples were collected semihourly (on the hour and half hour) throughout the study.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adv

Meaning 4

Roughly (but not exactly) hourly: at intervals of around 60 minutes.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Qualifier: inexact

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From semi- + hourly.