Meanings
- not comparableHabitually during the day; every daytime.
Sparrows are most active diurnally.
Antonyms: nocturnally
- not comparableOn a 24-hour period, a frequency of once per 24 hours; daily.
These flowers open and close diurnally.
2 more examples
Although the 1-D RCM can predict only horizontally, diurnally, and seasonally averaged conditions, it is capable of estimating the first-order climate responses of the atmosphere, which is our intention in this study.
1983, Richard P. Turco et al., “Nuclear winter: Global consequences of multiple nuclear explosions”, in Science, volume 222, number 4630, →ISSN, page 1284A recent wavelet analysis of the turbidity data showed clear periodicities of turbidity in the three Pilbara datasets during both the baseline and dredge phases of the studies (Stark, unublished data) peaking semidiurnally associated with tides, diurnally associated with daily sea breezes and sometimes fortnightly associated with spring-neap cycles.
2015 October 8, “Temporal Patterns in Seawater Quality from Dredging in Tropical Environments”, in PLOS ONE, →DOISynonyms: circadianly
Synonyms & antonyms
adverbBy daylight; in the daytime.
adverbHabitually during the day; every daytime.
adverbOn a 24-hour period, a frequency of once per 24 hours; daily.
Origin
Cite this entry
diurnally. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/diurnally
“diurnally.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/diurnally. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “diurnally,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/diurnally.
Source: diurnally on Wiktionary, CC BY-SA 4.0.