diurnal
1 synonym and 1 antonym for diurnal, grouped by meaning and by how common each one is.
Adj — Taking place, or most active, during the day rather than at night.
Synonyms
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Synonyms by Meaning
2. adj
Following a pattern that repeats once every 24 hours, such as a tide or body cycle.
Etymology
This word comes from Latin diurnālis, from diēs (“day”), and is a doublet of journal.
Full origin of diurnal →