Standard Lemma guide

diurnally

adv · 3 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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  • CMU ARPABET: D AY0 ER1 N AH0 L IY0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adv

Meaning 1

By daylight; in the daytime.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: at night, nocturnally

2

adv

Meaning 2

Habitually during the day; every daytime.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Examples

  • Sparrows are most active diurnally.

Meaning relationships

Synonyms: none provided

Antonyms: nocturnally

3

adv

Meaning 3

On a 24-hour period, a frequency of once per 24 hours; daily.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Examples

  • These flowers open and close diurnally.

Meaning relationships

Synonyms: circadianly

Antonyms: none provided

History

Etymology

Etymology tree English diurnal Middle English -ly English -ly English diurnally From diurnal + -ly.