diurnal

English Thesaurus

1. of or belonging to or active during the day (adj.all)

domain category	:	biological science, biology,
definition	:	the science that studies living organisms (noun.cognition)

2. having a daily cycle or occurring every day (adj.all)

similar	:	periodic, periodical,
definition	:	happening or recurring at regular intervals (adj.all)

3. of or belonging to or active during the day (adj.all)

antonym	:	nocturnal,
definition	:	belonging to or active during the night (adj.all)

antonym	:	nocturnal,
definition	:	belonging to or active during the night (adj.all)