Similar Words

Diurnal — diurnal antonyms, definition

1. diurnal (Adjective)

1 antonym
nocturnal
2 definitions

diurnal (Adjective) — (biology) of or belonging to or active during the day. ex. "diurnal animals are active during the day" ex. "diurnal flowers are open during the day and closed at night" ex. "diurnal and nocturnal offices"

diurnal (Adjective) — Having a daily cycle or occurring every day. ex. "diurnal rotation of the heavens"